84370505

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1\times {\mathrm{421}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 102546000

約数和(自身を除く): 18175495

約数列:

[1, 5, 149, 269, 421, 745, 1345, 2105, 40081, 62729, 113249, 200405, 313645, 566245, 16874101, 84370505]

約数ペア:

[(1, 84370505), (5, 16874101), (149, 566245), (269, 313645), (421, 200405), (745, 113249), (1345, 62729), (2105, 40081)]