7802990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 15253056

約数和(自身を除く): 7450066

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 311, 386, 622, 965, 1555, 1930, 2509, 3110, 4043, 5018, 8086, 12545, 20215, 25090, 40430, 60023, 120046, 300115, 600230, 780299, 1560598, 3901495, 7802990]

約数ペア:

[(1, 7802990), (2, 3901495), (5, 1560598), (10, 780299), (13, 600230), (26, 300115), (65, 120046), (130, 60023), (193, 40430), (311, 25090), (386, 20215), (622, 12545), (965, 8086), (1555, 5018), (1930, 4043), (2509, 3110)]