686380045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1\times {\mathrm{383}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 903168000

約数和(自身を除く): 216787955

約数列:

[1, 5, 13, 65, 79, 349, 383, 395, 1027, 1745, 1915, 4537, 4979, 5135, 22685, 24895, 27571, 30257, 133667, 137855, 151285, 358423, 393341, 668335, 1737671, 1792115, 1966705, 8688355, 10559693, 52798465, 137276009, 686380045]

約数ペア:

[(1, 686380045), (5, 137276009), (13, 52798465), (65, 10559693), (79, 8688355), (349, 1966705), (383, 1792115), (395, 1737671), (1027, 668335), (1745, 393341), (1915, 358423), (4537, 151285), (4979, 137855), (5135, 133667), (22685, 30257), (24895, 27571)]