779090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{461}}^1$

素因数の和:494

約数の個数: 24

約数和(自身を含む): 1521828

約数和(自身を除く): 742738

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 461, 845, 922, 1690, 2305, 4610, 5993, 11986, 29965, 59930, 77909, 155818, 389545, 779090]

約数ペア:

[(1, 779090), (2, 389545), (5, 155818), (10, 77909), (13, 59930), (26, 29965), (65, 11986), (130, 5993), (169, 4610), (338, 2305), (461, 1690), (845, 922)]