81887026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{7481}}^1$

素因数の和:7917

約数の個数: 16

約数和(自身を含む): 132610968

約数和(自身を除く): 50723942

約数列:

[1, 2, 13, 26, 421, 842, 5473, 7481, 10946, 14962, 97253, 194506, 3149501, 6299002, 40943513, 81887026]

約数ペア:

[(1, 81887026), (2, 40943513), (13, 6299002), (26, 3149501), (421, 194506), (842, 97253), (5473, 14962), (7481, 10946)]