90478910

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 165354912

約数和(自身を除く): 74876002

約数列:

[1, 2, 5, 10, 137, 211, 274, 313, 422, 626, 685, 1055, 1370, 1565, 2110, 3130, 28907, 42881, 57814, 66043, 85762, 132086, 144535, 214405, 289070, 330215, 428810, 660430, 9047891, 18095782, 45239455, 90478910]

約数ペア:

[(1, 90478910), (2, 45239455), (5, 18095782), (10, 9047891), (137, 660430), (211, 428810), (274, 330215), (313, 289070), (422, 214405), (626, 144535), (685, 132086), (1055, 85762), (1370, 66043), (1565, 57814), (2110, 42881), (3130, 28907)]