256427178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{2137}}^1\times {\mathrm{2857}}^1$

素因数の和:5006

約数の個数: 32

約数和(自身を含む): 586598784

約数和(自身を除く): 330171606

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 2137, 2857, 4274, 5714, 6411, 8571, 12822, 14959, 17142, 19999, 29918, 39998, 44877, 59997, 89754, 119994, 6105409, 12210818, 18316227, 36632454, 42737863, 85475726, 128213589, 256427178]

約数ペア:

[(1, 256427178), (2, 128213589), (3, 85475726), (6, 42737863), (7, 36632454), (14, 18316227), (21, 12210818), (42, 6105409), (2137, 119994), (2857, 89754), (4274, 59997), (5714, 44877), (6411, 39998), (8571, 29918), (12822, 19999), (14959, 17142)]