421231105

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1\times {\mathrm{1601}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 511781328

約数和(自身を除く): 90550223

約数列:

[1, 5, 101, 505, 521, 1601, 2605, 8005, 52621, 161701, 263105, 808505, 834121, 4170605, 84246221, 421231105]

約数ペア:

[(1, 421231105), (5, 84246221), (101, 4170605), (505, 834121), (521, 808505), (1601, 263105), (2605, 161701), (8005, 52621)]