31000475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 42288960

約数和(自身を除く): 11288485

約数列:

[1, 5, 11, 25, 55, 139, 275, 695, 811, 1529, 3475, 4055, 7645, 8921, 20275, 38225, 44605, 112729, 223025, 563645, 1240019, 2818225, 6200095, 31000475]

約数ペア:

[(1, 31000475), (5, 6200095), (11, 2818225), (25, 1240019), (55, 563645), (139, 223025), (275, 112729), (695, 44605), (811, 38225), (1529, 20275), (3475, 8921), (4055, 7645)]