2890878837

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 4902297600

約数和(自身を除く): 2011418763

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 157, 231, 237, 471, 553, 869, 1009, 1099, 1659, 1727, 2607, 3027, 3297, 5181, 6083, 7063, 11099, 12089, 12403, 18249, 21189, 33297, 36267, 37209, 77693, 79711, 86821, 136433, 158413, 233079, 239133, 260463, 409299, 475239, 557977, 876821, 955031, 1108891, 1673931, 1742543, 2630463, 2865093, 3326673, 5227629, 6137747, 12197801, 12514627, 18413241, 36593403, 37543881, 87602389, 137660897, 262807167, 412982691, 963626279, 2890878837]

約数ペア:

[(1, 2890878837), (3, 963626279), (7, 412982691), (11, 262807167), (21, 137660897), (33, 87602389), (77, 37543881), (79, 36593403), (157, 18413241), (231, 12514627), (237, 12197801), (471, 6137747), (553, 5227629), (869, 3326673), (1009, 2865093), (1099, 2630463), (1659, 1742543), (1727, 1673931), (2607, 1108891), (3027, 955031), (3297, 876821), (5181, 557977), (6083, 475239), (7063, 409299), (11099, 260463), (12089, 239133), (12403, 233079), (18249, 158413), (21189, 136433), (33297, 86821), (36267, 79711), (37209, 77693)]