28337855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 42580608

約数和(自身を除く): 14242753

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 793, 1021, 2135, 3965, 5105, 5551, 7147, 13273, 27755, 35735, 62281, 66365, 92911, 311405, 435967, 464555, 809653, 2179835, 4048265, 5667571, 28337855]

約数ペア:

[(1, 28337855), (5, 5667571), (7, 4048265), (13, 2179835), (35, 809653), (61, 464555), (65, 435967), (91, 311405), (305, 92911), (427, 66365), (455, 62281), (793, 35735), (1021, 27755), (2135, 13273), (3965, 7147), (5105, 5551)]