157424128

素因数分解:

$2^9\times {\mathrm{349}}^1\times {\mathrm{881}}^1$

素因数の和:1248

約数の個数: 40

約数和(自身を含む): 315800100

約数和(自身を除く): 158375972

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 349, 512, 698, 881, 1396, 1762, 2792, 3524, 5584, 7048, 11168, 14096, 22336, 28192, 44672, 56384, 89344, 112768, 178688, 225536, 307469, 451072, 614938, 1229876, 2459752, 4919504, 9839008, 19678016, 39356032, 78712064, 157424128]

約数ペア:

[(1, 157424128), (2, 78712064), (4, 39356032), (8, 19678016), (16, 9839008), (32, 4919504), (64, 2459752), (128, 1229876), (256, 614938), (349, 451072), (512, 307469), (698, 225536), (881, 178688), (1396, 112768), (1762, 89344), (2792, 56384), (3524, 44672), (5584, 28192), (7048, 22336), (11168, 14096)]