664820854

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151027}}^1$

素因数の和:151131

約数の個数: 16

約数和(自身を含む): 1043905536

約数和(自身を除く): 379084682

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 151027, 302054, 4681837, 9363674, 10722917, 21445834, 332410427, 664820854]

約数ペア:

[(1, 664820854), (2, 332410427), (31, 21445834), (62, 10722917), (71, 9363674), (142, 4681837), (2201, 302054), (4402, 151027)]