198803216

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{139609}}^1$

素因数の和:139706

約数の個数: 20

約数和(自身を含む): 389511900

約数和(自身を除く): 190708684

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 139609, 279218, 558436, 1116872, 2233744, 12425201, 24850402, 49700804, 99401608, 198803216]

約数ペア:

[(1, 198803216), (2, 99401608), (4, 49700804), (8, 24850402), (16, 12425201), (89, 2233744), (178, 1116872), (356, 558436), (712, 279218), (1424, 139609)]