280628634

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6959}}^1$

素因数の和:7035

約数の個数: 64

約数和(自身を含む): 673505280

約数和(自身を除く): 392876646

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 47, 66, 78, 94, 141, 143, 282, 286, 429, 517, 611, 858, 1034, 1222, 1551, 1833, 3102, 3666, 6721, 6959, 13442, 13918, 20163, 20877, 40326, 41754, 76549, 90467, 153098, 180934, 229647, 271401, 327073, 459294, 542802, 654146, 981219, 995137, 1962438, 1990274, 2985411, 3597803, 4251949, 5970822, 7195606, 8503898, 10793409, 12755847, 21586818, 25511694, 46771439, 93542878, 140314317, 280628634]

約数ペア:

[(1, 280628634), (2, 140314317), (3, 93542878), (6, 46771439), (11, 25511694), (13, 21586818), (22, 12755847), (26, 10793409), (33, 8503898), (39, 7195606), (47, 5970822), (66, 4251949), (78, 3597803), (94, 2985411), (141, 1990274), (143, 1962438), (282, 995137), (286, 981219), (429, 654146), (517, 542802), (611, 459294), (858, 327073), (1034, 271401), (1222, 229647), (1551, 180934), (1833, 153098), (3102, 90467), (3666, 76549), (6721, 41754), (6959, 40326), (13442, 20877), (13918, 20163)]