2691238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:983

約数の個数: 16

約数和(自身を含む): 4438800

約数和(自身を除く): 1747562

約数列:

[1, 2, 11, 22, 149, 298, 821, 1639, 1642, 3278, 9031, 18062, 122329, 244658, 1345619, 2691238]

約数ペア:

[(1, 2691238), (2, 1345619), (11, 244658), (22, 122329), (149, 18062), (298, 9031), (821, 3278), (1639, 1642)]