221538679

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2579}}^1$

素因数の和:2790

約数の個数: 16

約数和(自身を含む): 243717120

約数和(自身を除く): 22178441

約数列:

[1, 17, 31, 163, 527, 2579, 2771, 5053, 43843, 79949, 85901, 420377, 1359133, 7146409, 13031687, 221538679]

約数ペア:

[(1, 221538679), (17, 13031687), (31, 7146409), (163, 1359133), (527, 420377), (2579, 85901), (2771, 79949), (5053, 43843)]