81994757

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{659}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 93804480

約数和(自身を除く): 11809723

約数列:

[1, 13, 17, 221, 563, 659, 7319, 8567, 9571, 11203, 124423, 145639, 371017, 4823221, 6307289, 81994757]

約数ペア:

[(1, 81994757), (13, 6307289), (17, 4823221), (221, 371017), (563, 145639), (659, 124423), (7319, 11203), (8567, 9571)]