64639276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{13967}}^1$

素因数の和:14073

約数の個数: 24

約数和(自身を含む): 123197760

約数和(自身を除く): 58558484

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 13967, 27934, 55868, 181571, 363142, 726284, 1243063, 2486126, 4972252, 16159819, 32319638, 64639276]

約数ペア:

[(1, 64639276), (2, 32319638), (4, 16159819), (13, 4972252), (26, 2486126), (52, 1243063), (89, 726284), (178, 363142), (356, 181571), (1157, 55868), (2314, 27934), (4628, 13967)]