25974962

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 45395712

約数和(自身を除く): 19420750

約数列:

[1, 2, 13, 26, 31, 37, 62, 67, 74, 134, 169, 338, 403, 481, 806, 871, 962, 1147, 1742, 2077, 2294, 2479, 4154, 4958, 5239, 6253, 10478, 11323, 12506, 14911, 22646, 27001, 29822, 32227, 54002, 64454, 76849, 153698, 193843, 351013, 387686, 418951, 702026, 837902, 999037, 1998074, 12987481, 25974962]

約数ペア:

[(1, 25974962), (2, 12987481), (13, 1998074), (26, 999037), (31, 837902), (37, 702026), (62, 418951), (67, 387686), (74, 351013), (134, 193843), (169, 153698), (338, 76849), (403, 64454), (481, 54002), (806, 32227), (871, 29822), (962, 27001), (1147, 22646), (1742, 14911), (2077, 12506), (2294, 11323), (2479, 10478), (4154, 6253), (4958, 5239)]