4008585217

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1\times {\mathrm{2339}}^1$

素因数の和:2905

約数の個数: 32

約数和(自身を含む): 5079110400

約数和(自身を除く): 1070525183

約数列:

[1, 7, 13, 37, 91, 259, 481, 509, 2339, 3367, 3563, 6617, 16373, 18833, 30407, 46319, 86543, 131831, 212849, 244829, 605801, 1125059, 1190551, 1713803, 7875413, 8333857, 15477163, 44050387, 108340141, 308352709, 572655031, 4008585217]

約数ペア:

[(1, 4008585217), (7, 572655031), (13, 308352709), (37, 108340141), (91, 44050387), (259, 15477163), (481, 8333857), (509, 7875413), (2339, 1713803), (3367, 1190551), (3563, 1125059), (6617, 605801), (16373, 244829), (18833, 212849), (30407, 131831), (46319, 86543)]