31890352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{153319}}^1$

素因数の和:153340

約数の個数: 20

約数和(自身を含む): 66540880

約数和(自身を除く): 34650528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 153319, 306638, 613276, 1226552, 1993147, 2453104, 3986294, 7972588, 15945176, 31890352]

約数ペア:

[(1, 31890352), (2, 15945176), (4, 7972588), (8, 3986294), (13, 2453104), (16, 1993147), (26, 1226552), (52, 613276), (104, 306638), (208, 153319)]