531211070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1531}}^1$

素因数の和:1725

約数の個数: 64

約数和(自身を含む): 1097966016

約数和(自身を除く): 566754946

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 157, 170, 221, 314, 442, 785, 1105, 1531, 1570, 2041, 2210, 2669, 3062, 4082, 5338, 7655, 10205, 13345, 15310, 19903, 20410, 26027, 26690, 34697, 39806, 52054, 69394, 99515, 130135, 173485, 199030, 240367, 260270, 338351, 346970, 480734, 676702, 1201835, 1691755, 2403670, 3124771, 3383510, 4086239, 6249542, 8172478, 15623855, 20431195, 31247710, 40862390, 53121107, 106242214, 265605535, 531211070]

約数ペア:

[(1, 531211070), (2, 265605535), (5, 106242214), (10, 53121107), (13, 40862390), (17, 31247710), (26, 20431195), (34, 15623855), (65, 8172478), (85, 6249542), (130, 4086239), (157, 3383510), (170, 3124771), (221, 2403670), (314, 1691755), (442, 1201835), (785, 676702), (1105, 480734), (1531, 346970), (1570, 338351), (2041, 260270), (2210, 240367), (2669, 199030), (3062, 173485), (4082, 130135), (5338, 99515), (7655, 69394), (10205, 52054), (13345, 39806), (15310, 34697), (19903, 26690), (20410, 26027)]