31984108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6911}}^1$

素因数の和:7017

約数の個数: 24

約数和(自身を含む): 60963840

約数和(自身を除く): 28979732

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 6911, 13822, 27644, 89843, 179686, 359372, 615079, 1230158, 2460316, 7996027, 15992054, 31984108]

約数ペア:

[(1, 31984108), (2, 15992054), (4, 7996027), (13, 2460316), (26, 1230158), (52, 615079), (89, 359372), (178, 179686), (356, 89843), (1157, 27644), (2314, 13822), (4628, 6911)]