287393392

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:663

約数の個数: 120

約数和(自身を含む): 694972880

約数和(自身を除く): 407579488

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 121, 143, 152, 176, 208, 209, 242, 247, 286, 304, 418, 484, 494, 572, 601, 836, 968, 988, 1144, 1202, 1573, 1672, 1936, 1976, 2288, 2299, 2404, 2717, 3146, 3344, 3952, 4598, 4808, 5434, 6292, 6611, 7813, 9196, 9616, 10868, 11419, 12584, 13222, 15626, 18392, 21736, 22838, 25168, 26444, 29887, 31252, 36784, 43472, 45676, 52888, 59774, 62504, 72721, 85943, 91352, 105776, 119548, 125008, 125609, 145442, 148447, 171886, 182704, 239096, 251218, 290884, 296894, 343772, 478192, 502436, 581768, 593788, 687544, 945373, 1004872, 1163536, 1187576, 1375088, 1381699, 1632917, 1890746, 2009744, 2375152, 2763398, 3265834, 3781492, 5526796, 6531668, 7562984, 11053592, 13063336, 15125968, 17962087, 22107184, 26126672, 35924174, 71848348, 143696696, 287393392]

約数ペア:

[(1, 287393392), (2, 143696696), (4, 71848348), (8, 35924174), (11, 26126672), (13, 22107184), (16, 17962087), (19, 15125968), (22, 13063336), (26, 11053592), (38, 7562984), (44, 6531668), (52, 5526796), (76, 3781492), (88, 3265834), (104, 2763398), (121, 2375152), (143, 2009744), (152, 1890746), (176, 1632917), (208, 1381699), (209, 1375088), (242, 1187576), (247, 1163536), (286, 1004872), (304, 945373), (418, 687544), (484, 593788), (494, 581768), (572, 502436), (601, 478192), (836, 343772), (968, 296894), (988, 290884), (1144, 251218), (1202, 239096), (1573, 182704), (1672, 171886), (1936, 148447), (1976, 145442), (2288, 125609), (2299, 125008), (2404, 119548), (2717, 105776), (3146, 91352), (3344, 85943), (3952, 72721), (4598, 62504), (4808, 59774), (5434, 52888), (6292, 45676), (6611, 43472), (7813, 36784), (9196, 31252), (9616, 29887), (10868, 26444), (11419, 25168), (12584, 22838), (13222, 21736), (15626, 18392)]