218635225

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 275609592

約数和(自身を除く): 56974367

約数列:

[1, 5, 25, 113, 193, 401, 565, 965, 2005, 2825, 4825, 10025, 21809, 45313, 77393, 109045, 226565, 386965, 545225, 1132825, 1934825, 8745409, 43727045, 218635225]

約数ペア:

[(1, 218635225), (5, 43727045), (25, 8745409), (113, 1934825), (193, 1132825), (401, 545225), (565, 386965), (965, 226565), (2005, 109045), (2825, 77393), (4825, 45313), (10025, 21809)]