129124048

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{90677}}^1$

素因数の和:90774

約数の個数: 20

約数和(自身を含む): 252991620

約数和(自身を除く): 123867572

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 90677, 181354, 362708, 725416, 1450832, 8070253, 16140506, 32281012, 64562024, 129124048]

約数ペア:

[(1, 129124048), (2, 64562024), (4, 32281012), (8, 16140506), (16, 8070253), (89, 1450832), (178, 725416), (356, 362708), (712, 181354), (1424, 90677)]