261632252

素因数分解:

$2^2\times 7^1\times {\mathrm{461}}^1\times {\mathrm{20269}}^1$

素因数の和:20741

約数の個数: 24

約数和(自身を含む): 524425440

約数和(自身を除く): 262793188

約数列:

[1, 2, 4, 7, 14, 28, 461, 922, 1844, 3227, 6454, 12908, 20269, 40538, 81076, 141883, 283766, 567532, 9344009, 18688018, 37376036, 65408063, 130816126, 261632252]

約数ペア:

[(1, 261632252), (2, 130816126), (4, 65408063), (7, 37376036), (14, 18688018), (28, 9344009), (461, 567532), (922, 283766), (1844, 141883), (3227, 81076), (6454, 40538), (12908, 20269)]