31920295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6521}}^1$

素因数の和:6626

約数の個数: 16

約数和(自身を含む): 42262560

約数和(自身を除く): 10342265

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 6521, 32605, 71731, 358655, 580369, 2901845, 6384059, 31920295]

約数ペア:

[(1, 31920295), (5, 6384059), (11, 2901845), (55, 580369), (89, 358655), (445, 71731), (979, 32605), (4895, 6521)]