521105039

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{7351}}^1$

素因数の和:7431

約数の個数: 32

約数和(自身を含む): 691676160

約数和(自身を除く): 170571121

約数列:

[1, 7, 13, 19, 41, 91, 133, 247, 287, 533, 779, 1729, 3731, 5453, 7351, 10127, 51457, 70889, 95563, 139669, 301391, 668941, 977683, 1815697, 2109737, 3918083, 5726429, 12709879, 27426581, 40085003, 74443577, 521105039]

約数ペア:

[(1, 521105039), (7, 74443577), (13, 40085003), (19, 27426581), (41, 12709879), (91, 5726429), (133, 3918083), (247, 2109737), (287, 1815697), (533, 977683), (779, 668941), (1729, 301391), (3731, 139669), (5453, 95563), (7351, 70889), (10127, 51457)]