521356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 36

約数和(自身を含む): 1083096

約数和(自身を除く): 561740

約数列:

[1, 2, 4, 11, 17, 22, 34, 41, 44, 68, 82, 164, 187, 289, 374, 451, 578, 697, 748, 902, 1156, 1394, 1804, 2788, 3179, 6358, 7667, 11849, 12716, 15334, 23698, 30668, 47396, 130339, 260678, 521356]

約数ペア:

[(1, 521356), (2, 260678), (4, 130339), (11, 47396), (17, 30668), (22, 23698), (34, 15334), (41, 12716), (44, 11849), (68, 7667), (82, 6358), (164, 3179), (187, 2788), (289, 1804), (374, 1394), (451, 1156), (578, 902), (697, 748)]