129968336

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{58439}}^1$

素因数の和:58586

約数の個数: 20

約数和(自身を含む): 253629600

約数和(自身を除く): 123661264

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 58439, 116878, 233756, 467512, 935024, 8123021, 16246042, 32492084, 64984168, 129968336]

約数ペア:

[(1, 129968336), (2, 64984168), (4, 32492084), (8, 16246042), (16, 8123021), (139, 935024), (278, 467512), (556, 233756), (1112, 116878), (2224, 58439)]