1279718912

素因数分解:

$2^9\times {\mathrm{823}}^1\times {\mathrm{3037}}^1$

素因数の和:3878

約数の個数: 40

約数和(自身を含む): 2560888176

約数和(自身を除く): 1281169264

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 823, 1646, 3037, 3292, 6074, 6584, 12148, 13168, 24296, 26336, 48592, 52672, 97184, 105344, 194368, 210688, 388736, 421376, 777472, 1554944, 2499451, 4998902, 9997804, 19995608, 39991216, 79982432, 159964864, 319929728, 639859456, 1279718912]

約数ペア:

[(1, 1279718912), (2, 639859456), (4, 319929728), (8, 159964864), (16, 79982432), (32, 39991216), (64, 19995608), (128, 9997804), (256, 4998902), (512, 2499451), (823, 1554944), (1646, 777472), (3037, 421376), (3292, 388736), (6074, 210688), (6584, 194368), (12148, 105344), (13168, 97184), (24296, 52672), (26336, 48592)]