639990282

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{814237}}^1$

素因数の和:814373

約数の個数: 16

約数和(自身を含む): 1289752992

約数和(自身を除く): 649762710

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 814237, 1628474, 2442711, 4885422, 106665047, 213330094, 319995141, 639990282]

約数ペア:

[(1, 639990282), (2, 319995141), (3, 213330094), (6, 106665047), (131, 4885422), (262, 2442711), (393, 1628474), (786, 814237)]