496857140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1910989}}^1$

素因数の和:1911011

約数の個数: 24

約数和(自身を含む): 1123662120

約数和(自身を除く): 626804980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1910989, 3821978, 7643956, 9554945, 19109890, 24842857, 38219780, 49685714, 99371428, 124214285, 248428570, 496857140]

約数ペア:

[(1, 496857140), (2, 248428570), (4, 124214285), (5, 99371428), (10, 49685714), (13, 38219780), (20, 24842857), (26, 19109890), (52, 9554945), (65, 7643956), (130, 3821978), (260, 1910989)]