400064559874

素因数分解:

$2^1\times 7^1\times {\mathrm{74231}}^1\times {\mathrm{384961}}^1$

素因数の和:459201

約数の個数: 16

約数和(自身を含む): 685835980416

約数和(自身を除く): 285771420542

約数列:

[1, 2, 7, 14, 74231, 148462, 384961, 519617, 769922, 1039234, 2694727, 5389454, 28576039991, 57152079982, 200032279937, 400064559874]

約数ペア:

[(1, 400064559874), (2, 200032279937), (7, 57152079982), (14, 28576039991), (74231, 5389454), (148462, 2694727), (384961, 1039234), (519617, 769922)]