15681170015

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1\times {\mathrm{6277}}^1$

素因数の和:6947

約数の個数: 32

約数和(自身を含む): 21707616384

約数和(自身を除く): 6026446369

約数列:

[1, 5, 7, 35, 137, 521, 685, 959, 2605, 3647, 4795, 6277, 18235, 31385, 43939, 71377, 219695, 356885, 499639, 859949, 2498195, 3270317, 4299745, 6019643, 16351585, 22892219, 30098215, 114461095, 448033429, 2240167145, 3136234003, 15681170015]

約数ペア:

[(1, 15681170015), (5, 3136234003), (7, 2240167145), (35, 448033429), (137, 114461095), (521, 30098215), (685, 22892219), (959, 16351585), (2605, 6019643), (3647, 4299745), (4795, 3270317), (6277, 2498195), (18235, 859949), (31385, 499639), (43939, 356885), (71377, 219695)]