640449528

素因数分解:

$2^3\times 3^1\times {\mathrm{26685397}}^1$

素因数の和:26685406

約数の個数: 16

約数和(自身を含む): 1601123880

約数和(自身を除く): 960674352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 26685397, 53370794, 80056191, 106741588, 160112382, 213483176, 320224764, 640449528]

約数ペア:

[(1, 640449528), (2, 320224764), (3, 213483176), (4, 160112382), (6, 106741588), (8, 80056191), (12, 53370794), (24, 26685397)]