220387559

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{23099}}^1$

素因数の和:23182

約数の個数: 16

約数和(自身を含む): 266112000

約数和(自身を除く): 45724441

約数列:

[1, 7, 29, 47, 203, 329, 1363, 9541, 23099, 161693, 669871, 1085653, 4689097, 7599571, 31483937, 220387559]

約数ペア:

[(1, 220387559), (7, 31483937), (29, 7599571), (47, 4689097), (203, 1085653), (329, 669871), (1363, 161693), (9541, 23099)]