64995190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1901}}^1$

素因数の和:2184

約数の個数: 32

約数和(自身を含む): 126536256

約数和(自身を除く): 61541066

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 1315, 1901, 2630, 3419, 3802, 6838, 9505, 17095, 19010, 24713, 34190, 49426, 123565, 247130, 499963, 999926, 2499815, 4999630, 6499519, 12999038, 32497595, 64995190]

約数ペア:

[(1, 64995190), (2, 32497595), (5, 12999038), (10, 6499519), (13, 4999630), (26, 2499815), (65, 999926), (130, 499963), (263, 247130), (526, 123565), (1315, 49426), (1901, 34190), (2630, 24713), (3419, 19010), (3802, 17095), (6838, 9505)]