81601268

素因数分解:

$2^2\times 7^2\times {\mathrm{416333}}^1$

素因数の和:416351

約数の個数: 18

約数和(自身を含む): 166117266

約数和(自身を除く): 84515998

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 416333, 832666, 1665332, 2914331, 5828662, 11657324, 20400317, 40800634, 81601268]

約数ペア:

[(1, 81601268), (2, 40800634), (4, 20400317), (7, 11657324), (14, 5828662), (28, 2914331), (49, 1665332), (98, 832666), (196, 416333)]