31991336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307609}}^1$

素因数の和:307628

約数の個数: 16

約数和(自身を含む): 64598100

約数和(自身を除く): 32606764

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307609, 615218, 1230436, 2460872, 3998917, 7997834, 15995668, 31991336]

約数ペア:

[(1, 31991336), (2, 15995668), (4, 7997834), (8, 3998917), (13, 2460872), (26, 1230436), (52, 615218), (104, 307609)]