678295331324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20737903}}^1$

素因数の和:20737974

約数の個数: 48

約数和(自身を含む): 1390103180928

約数和(自身を除く): 711807849604

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 74, 148, 221, 442, 481, 629, 884, 962, 1258, 1924, 2516, 8177, 16354, 32708, 20737903, 41475806, 82951612, 269592739, 352544351, 539185478, 705088702, 767302411, 1078370956, 1410177404, 1534604822, 3069209644, 4583076563, 9166153126, 9974931343, 13044140987, 18332306252, 19949862686, 26088281974, 39899725372, 52176563948, 169573832831, 339147665662, 678295331324]

約数ペア:

[(1, 678295331324), (2, 339147665662), (4, 169573832831), (13, 52176563948), (17, 39899725372), (26, 26088281974), (34, 19949862686), (37, 18332306252), (52, 13044140987), (68, 9974931343), (74, 9166153126), (148, 4583076563), (221, 3069209644), (442, 1534604822), (481, 1410177404), (629, 1078370956), (884, 767302411), (962, 705088702), (1258, 539185478), (1924, 352544351), (2516, 269592739), (8177, 82951612), (16354, 41475806), (32708, 20737903)]