81406585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{26647}}^1$

素因数の和:26712

約数の個数: 16

約数和(自身を含む): 107444736

約数和(自身を除く): 26038151

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 26647, 133235, 346411, 1252409, 1732055, 6262045, 16281317, 81406585]

約数ペア:

[(1, 81406585), (5, 16281317), (13, 6262045), (47, 1732055), (65, 1252409), (235, 346411), (611, 133235), (3055, 26647)]