640503432

素因数分解:

$2^3\times 3^2\times {\mathrm{8895881}}^1$

素因数の和:8895893

約数の個数: 24

約数和(自身を含む): 1734696990

約数和(自身を除く): 1094193558

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 8895881, 17791762, 26687643, 35583524, 53375286, 71167048, 80062929, 106750572, 160125858, 213501144, 320251716, 640503432]

約数ペア:

[(1, 640503432), (2, 320251716), (3, 213501144), (4, 160125858), (6, 106750572), (8, 80062929), (9, 71167048), (12, 53375286), (18, 35583524), (24, 26687643), (36, 17791762), (72, 8895881)]