231931390

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{147727}}^1$

素因数の和:147891

約数の個数: 16

約数和(自身を含む): 420138432

約数和(自身を除く): 188207042

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 147727, 295454, 738635, 1477270, 23193139, 46386278, 115965695, 231931390]

約数ペア:

[(1, 231931390), (2, 115965695), (5, 46386278), (10, 23193139), (157, 1477270), (314, 738635), (785, 295454), (1570, 147727)]