2221831408

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{366397}}^1$

素因数の和:366784

約数の個数: 20

約数和(自身を含む): 4316168440

約数和(自身を除く): 2094337032

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 6064, 366397, 732794, 1465588, 2931176, 5862352, 138864463, 277728926, 555457852, 1110915704, 2221831408]

約数ペア:

[(1, 2221831408), (2, 1110915704), (4, 555457852), (8, 277728926), (16, 138864463), (379, 5862352), (758, 2931176), (1516, 1465588), (3032, 732794), (6064, 366397)]