12686848

素因数分解:

$2^9\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:438

約数の個数: 40

約数和(自身を含む): 25779600

約数和(自身を除く): 13092752

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 349, 512, 568, 698, 1136, 1396, 2272, 2792, 4544, 5584, 9088, 11168, 18176, 22336, 24779, 36352, 44672, 49558, 89344, 99116, 178688, 198232, 396464, 792928, 1585856, 3171712, 6343424, 12686848]

約数ペア:

[(1, 12686848), (2, 6343424), (4, 3171712), (8, 1585856), (16, 792928), (32, 396464), (64, 198232), (71, 178688), (128, 99116), (142, 89344), (256, 49558), (284, 44672), (349, 36352), (512, 24779), (568, 22336), (698, 18176), (1136, 11168), (1396, 9088), (2272, 5584), (2792, 4544)]