42180245

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 51468480

約数和(自身を除く): 9288235

約数列:

[1, 5, 137, 139, 443, 685, 695, 2215, 19043, 60691, 61577, 95215, 303455, 307885, 8436049, 42180245]

約数ペア:

[(1, 42180245), (5, 8436049), (137, 307885), (139, 303455), (443, 95215), (685, 61577), (695, 60691), (2215, 19043)]