64990544

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{94463}}^1$

素因数の和:94514

約数の個数: 20

約数和(自身を含む): 128848896

約数和(自身を除く): 63858352

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 94463, 188926, 377852, 755704, 1511408, 4061909, 8123818, 16247636, 32495272, 64990544]

約数ペア:

[(1, 64990544), (2, 32495272), (4, 16247636), (8, 8123818), (16, 4061909), (43, 1511408), (86, 755704), (172, 377852), (344, 188926), (688, 94463)]