217849175

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 274201200

約数和(自身を除く): 56352025

約数列:

[1, 5, 25, 149, 233, 251, 745, 1165, 1255, 3725, 5825, 6275, 34717, 37399, 58483, 173585, 186995, 292415, 867925, 934975, 1462075, 8713967, 43569835, 217849175]

約数ペア:

[(1, 217849175), (5, 43569835), (25, 8713967), (149, 1462075), (233, 934975), (251, 867925), (745, 292415), (1165, 186995), (1255, 173585), (3725, 58483), (5825, 37399), (6275, 34717)]