397937228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{60257}}^1$

素因数の和:60401

約数の個数: 24

約数和(自身を含む): 755876352

約数和(自身を除く): 357939124

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 60257, 120514, 241028, 783341, 1566682, 3133364, 7652639, 15305278, 30610556, 99484307, 198968614, 397937228]

約数ペア:

[(1, 397937228), (2, 198968614), (4, 99484307), (13, 30610556), (26, 15305278), (52, 7652639), (127, 3133364), (254, 1566682), (508, 783341), (1651, 241028), (3302, 120514), (6604, 60257)]