31451312

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{67783}}^1$

素因数の和:67820

約数の個数: 20

約数和(自身を含む): 63039120

約数和(自身を除く): 31587808

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 67783, 135566, 271132, 542264, 1084528, 1965707, 3931414, 7862828, 15725656, 31451312]

約数ペア:

[(1, 31451312), (2, 15725656), (4, 7862828), (8, 3931414), (16, 1965707), (29, 1084528), (58, 542264), (116, 271132), (232, 135566), (464, 67783)]