631036991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{1663}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 729490944

約数和(自身を除く): 98453953

約数列:

[1, 13, 17, 101, 221, 289, 1313, 1663, 1717, 3757, 21619, 22321, 28271, 29189, 167963, 367523, 379457, 480607, 2183519, 2855371, 6247891, 37119823, 48541307, 631036991]

約数ペア:

[(1, 631036991), (13, 48541307), (17, 37119823), (101, 6247891), (221, 2855371), (289, 2183519), (1313, 480607), (1663, 379457), (1717, 367523), (3757, 167963), (21619, 29189), (22321, 28271)]