25419764

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 45276000

約数和(自身を除く): 19856236

約数列:

[1, 2, 4, 131, 139, 262, 278, 349, 524, 556, 698, 1396, 18209, 36418, 45719, 48511, 72836, 91438, 97022, 182876, 194044, 6354941, 12709882, 25419764]

約数ペア:

[(1, 25419764), (2, 12709882), (4, 6354941), (131, 194044), (139, 182876), (262, 97022), (278, 91438), (349, 72836), (524, 48511), (556, 45719), (698, 36418), (1396, 18209)]