458687489

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{21397}}^1$

素因数の和:21524

約数の個数: 16

約数和(自身を含む): 528445008

約数和(自身を除く): 69757519

約数列:

[1, 13, 17, 97, 221, 1261, 1649, 21397, 21437, 278161, 363749, 2075509, 4728737, 26981617, 35283653, 458687489]

約数ペア:

[(1, 458687489), (13, 35283653), (17, 26981617), (97, 4728737), (221, 2075509), (1261, 363749), (1649, 278161), (21397, 21437)]