1279587790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{578999}}^1$

素因数の和:579036

約数の個数: 32

約数和(自身を含む): 2626344000

約数和(自身を除く): 1346756210

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 578999, 1157998, 2894995, 5789990, 7526987, 9842983, 15053974, 19685966, 37634935, 49214915, 75269870, 98429830, 127958779, 255917558, 639793895, 1279587790]

約数ペア:

[(1, 1279587790), (2, 639793895), (5, 255917558), (10, 127958779), (13, 98429830), (17, 75269870), (26, 49214915), (34, 37634935), (65, 19685966), (85, 15053974), (130, 9842983), (170, 7526987), (221, 5789990), (442, 2894995), (1105, 1157998), (2210, 578999)]