221254445

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{1181}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 269354160

約数和(自身を除く): 48099715

約数列:

[1, 5, 89, 421, 445, 1181, 2105, 5905, 37469, 105109, 187345, 497201, 525545, 2486005, 44250889, 221254445]

約数ペア:

[(1, 221254445), (5, 44250889), (89, 2486005), (421, 525545), (445, 497201), (1181, 187345), (2105, 105109), (5905, 37469)]