219395830

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{26723}}^1$

素因数の和:27551

約数の個数: 16

約数和(自身を含む): 395408304

約数和(自身を除く): 176012474

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 26723, 53446, 133615, 267230, 21939583, 43879166, 109697915, 219395830]

約数ペア:

[(1, 219395830), (2, 109697915), (5, 43879166), (10, 21939583), (821, 267230), (1642, 133615), (4105, 53446), (8210, 26723)]