256468136

素因数分解:

$2^3\times {\mathrm{1621}}^1\times {\mathrm{19777}}^1$

素因数の和:21404

約数の個数: 16

約数和(自身を含む): 481198740

約数和(自身を除く): 224730604

約数列:

[1, 2, 4, 8, 1621, 3242, 6484, 12968, 19777, 39554, 79108, 158216, 32058517, 64117034, 128234068, 256468136]

約数ペア:

[(1, 256468136), (2, 128234068), (4, 64117034), (8, 32058517), (1621, 158216), (3242, 79108), (6484, 39554), (12968, 19777)]