647367028

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1061}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 1444099104

約数和(自身を除く): 796732076

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 283, 308, 539, 566, 1061, 1078, 1132, 1981, 2122, 2156, 3113, 3962, 4244, 6226, 7427, 7924, 11671, 12452, 13867, 14854, 21791, 23342, 27734, 29708, 43582, 46684, 51989, 55468, 81697, 87164, 103978, 152537, 163394, 207956, 300263, 305074, 326788, 571879, 600526, 610148, 1143758, 1201052, 2101841, 2287516, 3302893, 4203682, 6605786, 8407364, 13211572, 14712887, 23120251, 29425774, 46240502, 58851548, 92481004, 161841757, 323683514, 647367028]

約数ペア:

[(1, 647367028), (2, 323683514), (4, 161841757), (7, 92481004), (11, 58851548), (14, 46240502), (22, 29425774), (28, 23120251), (44, 14712887), (49, 13211572), (77, 8407364), (98, 6605786), (154, 4203682), (196, 3302893), (283, 2287516), (308, 2101841), (539, 1201052), (566, 1143758), (1061, 610148), (1078, 600526), (1132, 571879), (1981, 326788), (2122, 305074), (2156, 300263), (3113, 207956), (3962, 163394), (4244, 152537), (6226, 103978), (7427, 87164), (7924, 81697), (11671, 55468), (12452, 51989), (13867, 46684), (14854, 43582), (21791, 29708), (23342, 27734)]