1640389964

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{5776021}}^1$

素因数の和:5776096

約数の個数: 12

約数和(自身を含む): 2911115088

約数和(自身を除く): 1270725124

約数列:

[1, 2, 4, 71, 142, 284, 5776021, 11552042, 23104084, 410097491, 820194982, 1640389964]

約数ペア:

[(1, 1640389964), (2, 820194982), (4, 410097491), (71, 23104084), (142, 11552042), (284, 5776021)]