66921715

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 97357824

約数和(自身を除く): 30436109

約数列:

[1, 5, 7, 31, 35, 37, 155, 185, 217, 259, 1085, 1147, 1295, 1667, 5735, 8029, 8335, 11669, 40145, 51677, 58345, 61679, 258385, 308395, 361739, 431753, 1808695, 1912049, 2158765, 9560245, 13384343, 66921715]

約数ペア:

[(1, 66921715), (5, 13384343), (7, 9560245), (31, 2158765), (35, 1912049), (37, 1808695), (155, 431753), (185, 361739), (217, 308395), (259, 258385), (1085, 61679), (1147, 58345), (1295, 51677), (1667, 40145), (5735, 11669), (8029, 8335)]