68990908

素因数分解:

$2^2\times 7^1\times {\mathrm{1153}}^1\times {\mathrm{2137}}^1$

素因数の和:3301

約数の個数: 24

約数和(自身を含む): 138166112

約数和(自身を除く): 69175204

約数列:

[1, 2, 4, 7, 14, 28, 1153, 2137, 2306, 4274, 4612, 8071, 8548, 14959, 16142, 29918, 32284, 59836, 2463961, 4927922, 9855844, 17247727, 34495454, 68990908]

約数ペア:

[(1, 68990908), (2, 34495454), (4, 17247727), (7, 9855844), (14, 4927922), (28, 2463961), (1153, 59836), (2137, 32284), (2306, 29918), (4274, 16142), (4612, 14959), (8071, 8548)]