981749912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 2402265600

約数和(自身を除く): 1420515688

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 31, 38, 44, 47, 52, 62, 76, 88, 94, 104, 124, 143, 152, 188, 209, 247, 248, 286, 341, 376, 403, 418, 494, 517, 572, 589, 611, 682, 806, 836, 893, 961, 988, 1034, 1144, 1178, 1222, 1364, 1457, 1612, 1672, 1786, 1922, 1976, 2068, 2356, 2444, 2717, 2728, 2914, 3224, 3572, 3844, 4136, 4433, 4712, 4888, 5434, 5828, 6479, 6721, 7144, 7657, 7688, 8866, 9823, 10571, 10868, 11609, 11656, 12493, 12958, 13442, 15314, 16027, 17732, 18259, 18941, 19646, 21142, 21736, 23218, 24986, 25916, 26884, 27683, 30628, 32054, 35464, 36518, 37882, 39292, 42284, 45167, 46436, 49972, 51832, 53768, 55366, 61256, 64108, 73036, 75764, 78584, 84227, 84568, 90334, 92872, 99944, 110732, 127699, 128216, 137423, 146072, 151528, 168454, 180668, 200849, 208351, 221464, 237367, 255398, 274846, 304513, 336908, 359879, 361336, 401698, 416702, 474734, 496837, 510796, 549692, 587171, 609026, 673816, 719758, 803396, 833404, 858173, 949468, 993674, 1021592, 1099384, 1174342, 1218052, 1439516, 1606792, 1666808, 1716346, 1898936, 1987348, 2348684, 2436104, 2611037, 2879032, 3432692, 3958669, 3974696, 4697368, 5222074, 6458881, 6865384, 7917338, 9439903, 10444148, 11156249, 12917762, 15834676, 18879806, 20888296, 22312498, 25835524, 31669352, 37759612, 44624996, 51671048, 75519224, 89249992, 122718739, 245437478, 490874956, 981749912]

約数ペア:

[(1, 981749912), (2, 490874956), (4, 245437478), (8, 122718739), (11, 89249992), (13, 75519224), (19, 51671048), (22, 44624996), (26, 37759612), (31, 31669352), (38, 25835524), (44, 22312498), (47, 20888296), (52, 18879806), (62, 15834676), (76, 12917762), (88, 11156249), (94, 10444148), (104, 9439903), (124, 7917338), (143, 6865384), (152, 6458881), (188, 5222074), (209, 4697368), (247, 3974696), (248, 3958669), (286, 3432692), (341, 2879032), (376, 2611037), (403, 2436104), (418, 2348684), (494, 1987348), (517, 1898936), (572, 1716346), (589, 1666808), (611, 1606792), (682, 1439516), (806, 1218052), (836, 1174342), (893, 1099384), (961, 1021592), (988, 993674), (1034, 949468), (1144, 858173), (1178, 833404), (1222, 803396), (1364, 719758), (1457, 673816), (1612, 609026), (1672, 587171), (1786, 549692), (1922, 510796), (1976, 496837), (2068, 474734), (2356, 416702), (2444, 401698), (2717, 361336), (2728, 359879), (2914, 336908), (3224, 304513), (3572, 274846), (3844, 255398), (4136, 237367), (4433, 221464), (4712, 208351), (4888, 200849), (5434, 180668), (5828, 168454), (6479, 151528), (6721, 146072), (7144, 137423), (7657, 128216), (7688, 127699), (8866, 110732), (9823, 99944), (10571, 92872), (10868, 90334), (11609, 84568), (11656, 84227), (12493, 78584), (12958, 75764), (13442, 73036), (15314, 64108), (16027, 61256), (17732, 55366), (18259, 53768), (18941, 51832), (19646, 49972), (21142, 46436), (21736, 45167), (23218, 42284), (24986, 39292), (25916, 37882), (26884, 36518), (27683, 35464), (30628, 32054)]