400193668

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{840743}}^1$

素因数の和:840771

約数の個数: 24

約数和(自身を含む): 847469952

約数和(自身を除く): 447276284

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 840743, 1681486, 3362972, 5885201, 11770402, 14292631, 23540804, 28585262, 57170524, 100048417, 200096834, 400193668]

約数ペア:

[(1, 400193668), (2, 200096834), (4, 100048417), (7, 57170524), (14, 28585262), (17, 23540804), (28, 14292631), (34, 11770402), (68, 5885201), (119, 3362972), (238, 1681486), (476, 840743)]