81252158

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1020

約数の個数: 24

約数和(自身を含む): 132519816

約数和(自身を除く): 51267658

約数列:

[1, 2, 13, 26, 169, 338, 421, 571, 842, 1142, 5473, 7423, 10946, 14846, 71149, 96499, 142298, 192998, 240391, 480782, 3125083, 6250166, 40626079, 81252158]

約数ペア:

[(1, 81252158), (2, 40626079), (13, 6250166), (26, 3125083), (169, 480782), (338, 240391), (421, 192998), (571, 142298), (842, 96499), (1142, 71149), (5473, 14846), (7423, 10946)]