31787886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 75893760

約数和(自身を除く): 44105874

約数列:

[1, 2, 3, 6, 13, 23, 26, 29, 39, 46, 47, 58, 69, 78, 87, 94, 138, 141, 169, 174, 282, 299, 338, 377, 507, 598, 611, 667, 754, 897, 1014, 1081, 1131, 1222, 1334, 1363, 1794, 1833, 2001, 2162, 2262, 2726, 3243, 3666, 3887, 4002, 4089, 4901, 6486, 7774, 7943, 8178, 8671, 9802, 11661, 14053, 14703, 15886, 17342, 17719, 23322, 23829, 26013, 28106, 29406, 31349, 35438, 42159, 47658, 52026, 53157, 62698, 84318, 94047, 106314, 112723, 182689, 188094, 225446, 230347, 338169, 365378, 407537, 460694, 548067, 676338, 691041, 815074, 1096134, 1222611, 1382082, 2445222, 5297981, 10595962, 15893943, 31787886]

約数ペア:

[(1, 31787886), (2, 15893943), (3, 10595962), (6, 5297981), (13, 2445222), (23, 1382082), (26, 1222611), (29, 1096134), (39, 815074), (46, 691041), (47, 676338), (58, 548067), (69, 460694), (78, 407537), (87, 365378), (94, 338169), (138, 230347), (141, 225446), (169, 188094), (174, 182689), (282, 112723), (299, 106314), (338, 94047), (377, 84318), (507, 62698), (598, 53157), (611, 52026), (667, 47658), (754, 42159), (897, 35438), (1014, 31349), (1081, 29406), (1131, 28106), (1222, 26013), (1334, 23829), (1363, 23322), (1794, 17719), (1833, 17342), (2001, 15886), (2162, 14703), (2262, 14053), (2726, 11661), (3243, 9802), (3666, 8671), (3887, 8178), (4002, 7943), (4089, 7774), (4901, 6486)]