28851810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2551}}^1$

素因数の和:2603

約数の個数: 64

約数和(自身を含む): 77172480

約数和(自身を除く): 48320670

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1885, 2262, 2551, 3770, 5102, 5655, 7653, 11310, 12755, 15306, 25510, 33163, 38265, 66326, 73979, 76530, 99489, 147958, 165815, 198978, 221937, 331630, 369895, 443874, 497445, 739790, 961727, 994890, 1109685, 1923454, 2219370, 2885181, 4808635, 5770362, 9617270, 14425905, 28851810]

約数ペア:

[(1, 28851810), (2, 14425905), (3, 9617270), (5, 5770362), (6, 4808635), (10, 2885181), (13, 2219370), (15, 1923454), (26, 1109685), (29, 994890), (30, 961727), (39, 739790), (58, 497445), (65, 443874), (78, 369895), (87, 331630), (130, 221937), (145, 198978), (174, 165815), (195, 147958), (290, 99489), (377, 76530), (390, 73979), (435, 66326), (754, 38265), (870, 33163), (1131, 25510), (1885, 15306), (2262, 12755), (2551, 11310), (3770, 7653), (5102, 5655)]