198438812

素因数分解:

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

素因数の和:128

約数の個数: 108

約数和(自身を含む): 444919608

約数和(自身を除く): 246480796

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 31, 38, 44, 52, 62, 76, 124, 143, 209, 247, 286, 341, 361, 403, 418, 494, 572, 589, 682, 722, 806, 836, 961, 988, 1178, 1364, 1444, 1612, 1922, 2356, 2717, 3844, 3971, 4433, 4693, 5434, 6479, 7657, 7942, 8866, 9386, 10571, 10868, 11191, 12493, 12958, 15314, 15884, 17732, 18259, 18772, 21142, 22382, 24986, 25916, 30628, 36518, 42284, 44764, 49972, 51623, 73036, 84227, 103246, 123101, 137423, 145483, 168454, 200849, 206492, 237367, 246202, 274846, 290966, 336908, 346921, 401698, 474734, 492404, 549692, 581932, 693842, 803396, 949468, 1387684, 1600313, 2611037, 3200626, 3816131, 4509973, 5222074, 6401252, 7632262, 9019946, 10444148, 15264524, 18039892, 49609703, 99219406, 198438812]

約数ペア:

[(1, 198438812), (2, 99219406), (4, 49609703), (11, 18039892), (13, 15264524), (19, 10444148), (22, 9019946), (26, 7632262), (31, 6401252), (38, 5222074), (44, 4509973), (52, 3816131), (62, 3200626), (76, 2611037), (124, 1600313), (143, 1387684), (209, 949468), (247, 803396), (286, 693842), (341, 581932), (361, 549692), (403, 492404), (418, 474734), (494, 401698), (572, 346921), (589, 336908), (682, 290966), (722, 274846), (806, 246202), (836, 237367), (961, 206492), (988, 200849), (1178, 168454), (1364, 145483), (1444, 137423), (1612, 123101), (1922, 103246), (2356, 84227), (2717, 73036), (3844, 51623), (3971, 49972), (4433, 44764), (4693, 42284), (5434, 36518), (6479, 30628), (7657, 25916), (7942, 24986), (8866, 22382), (9386, 21142), (10571, 18772), (10868, 18259), (11191, 17732), (12493, 15884), (12958, 15314)]