261980572

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{252877}}^1$

素因数の和:252925

約数の個数: 24

約数和(自身を含む): 538124384

約数和(自身を除く): 276143812

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 252877, 505754, 1011508, 1770139, 3540278, 7080556, 9356449, 18712898, 37425796, 65495143, 130990286, 261980572]

約数ペア:

[(1, 261980572), (2, 130990286), (4, 65495143), (7, 37425796), (14, 18712898), (28, 9356449), (37, 7080556), (74, 3540278), (148, 1770139), (259, 1011508), (518, 505754), (1036, 252877)]