1640644996

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{5776919}}^1$

素因数の和:5776994

約数の個数: 12

約数和(自身を含む): 2911567680

約数和(自身を除く): 1270922684

約数列:

[1, 2, 4, 71, 142, 284, 5776919, 11553838, 23107676, 410161249, 820322498, 1640644996]

約数ペア:

[(1, 1640644996), (2, 820322498), (4, 410161249), (71, 23107676), (142, 11553838), (284, 5776919)]