87923915

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 113791392

約数和(自身を除く): 25867477

約数列:

[1, 5, 17, 71, 85, 289, 355, 857, 1207, 1445, 4285, 6035, 14569, 20519, 60847, 72845, 102595, 247673, 304235, 1034399, 1238365, 5171995, 17584783, 87923915]

約数ペア:

[(1, 87923915), (5, 17584783), (17, 5171995), (71, 1238365), (85, 1034399), (289, 304235), (355, 247673), (857, 102595), (1207, 72845), (1445, 60847), (4285, 20519), (6035, 14569)]