72420481

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{24229}}^1$

素因数の和:24304

約数の個数: 12

約数和(自身を含む): 85628820

約数和(自身を除く): 13208339

約数列:

[1, 7, 49, 61, 427, 2989, 24229, 169603, 1187221, 1477969, 10345783, 72420481]

約数ペア:

[(1, 72420481), (7, 10345783), (49, 1477969), (61, 1187221), (427, 169603), (2989, 24229)]