1640668865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{445229}}^1$

素因数の和:445312

約数の個数: 16

約数和(自身を含む): 2179846080

約数和(自身を除く): 539177215

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 445229, 2226145, 4897519, 24487595, 29830343, 149151715, 328133773, 1640668865]

約数ペア:

[(1, 1640668865), (5, 328133773), (11, 149151715), (55, 29830343), (67, 24487595), (335, 4897519), (737, 2226145), (3685, 445229)]