90720908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{21871}}^1$

素因数の和:21953

約数の個数: 24

約数和(自身を含む): 170864064

約数和(自身を除く): 80143156

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 21871, 43742, 87484, 371807, 743614, 1334131, 1487228, 2668262, 5336524, 22680227, 45360454, 90720908]

約数ペア:

[(1, 90720908), (2, 45360454), (4, 22680227), (17, 5336524), (34, 2668262), (61, 1487228), (68, 1334131), (122, 743614), (244, 371807), (1037, 87484), (2074, 43742), (4148, 21871)]