71328668

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{61703}}^1$

素因数の和:61741

約数の個数: 18

約数和(自身を含む): 132601896

約数和(自身を除く): 61273228

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 61703, 123406, 246812, 1048951, 2097902, 4195804, 17832167, 35664334, 71328668]

約数ペア:

[(1, 71328668), (2, 35664334), (4, 17832167), (17, 4195804), (34, 2097902), (68, 1048951), (289, 246812), (578, 123406), (1156, 61703)]