643048225

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{367}}^1\times {\mathrm{643}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 808142720

約数和(自身を除く): 165094495

約数列:

[1, 5, 25, 109, 367, 545, 643, 1835, 2725, 3215, 9175, 16075, 40003, 70087, 200015, 235981, 350435, 1000075, 1179905, 1752175, 5899525, 25721929, 128609645, 643048225]

約数ペア:

[(1, 643048225), (5, 128609645), (25, 25721929), (109, 5899525), (367, 1752175), (545, 1179905), (643, 1000075), (1835, 350435), (2725, 235981), (3215, 200015), (9175, 70087), (16075, 40003)]