311399476

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{2843}}^1$

素因数の和:3183

約数の個数: 24

約数和(自身を含む): 551849760

約数和(自身を除く): 240450284

約数列:

[1, 2, 4, 139, 197, 278, 394, 556, 788, 2843, 5686, 11372, 27383, 54766, 109532, 395177, 560071, 790354, 1120142, 1580708, 2240284, 77849869, 155699738, 311399476]

約数ペア:

[(1, 311399476), (2, 155699738), (4, 77849869), (139, 2240284), (197, 1580708), (278, 1120142), (394, 790354), (556, 560071), (788, 395177), (2843, 109532), (5686, 54766), (11372, 27383)]