28290064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{160739}}^1$

素因数の和:160758

約数の個数: 20

約数和(自身を含む): 59795280

約数和(自身を除く): 31505216

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 160739, 321478, 642956, 1285912, 1768129, 2571824, 3536258, 7072516, 14145032, 28290064]

約数ペア:

[(1, 28290064), (2, 14145032), (4, 7072516), (8, 3536258), (11, 2571824), (16, 1768129), (22, 1285912), (44, 642956), (88, 321478), (176, 160739)]