317392868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{68581}}^1$

素因数の和:68687

約数の個数: 24

約数和(自身を含む): 604893240

約数和(自身を除く): 287500372

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 68581, 137162, 274324, 891553, 1783106, 3566212, 6103709, 12207418, 24414836, 79348217, 158696434, 317392868]

約数ペア:

[(1, 317392868), (2, 158696434), (4, 79348217), (13, 24414836), (26, 12207418), (52, 6103709), (89, 3566212), (178, 1783106), (356, 891553), (1157, 274324), (2314, 137162), (4628, 68581)]