218128225

素因数分解:

$5^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{5443}}^1$

素因数の和:5689

約数の個数: 24

約数和(自身を含む): 310525760

約数和(自身を除く): 92397535

約数列:

[1, 5, 7, 25, 35, 175, 229, 1145, 1603, 5443, 5725, 8015, 27215, 38101, 40075, 136075, 190505, 952525, 1246447, 6232235, 8725129, 31161175, 43625645, 218128225]

約数ペア:

[(1, 218128225), (5, 43625645), (7, 31161175), (25, 8725129), (35, 6232235), (175, 1246447), (229, 952525), (1145, 190505), (1603, 136075), (5443, 40075), (5725, 38101), (8015, 27215)]