686134421

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1\times {\mathrm{1427}}^1$

素因数の和:2044

約数の個数: 16

約数和(自身を含む): 791683200

約数和(自身を除く): 105548779

約数列:

[1, 7, 149, 461, 1043, 1427, 3227, 9989, 68689, 212623, 480823, 657847, 1488361, 4604929, 98019203, 686134421]

約数ペア:

[(1, 686134421), (7, 98019203), (149, 4604929), (461, 1488361), (1043, 657847), (1427, 480823), (3227, 212623), (9989, 68689)]