128047616

素因数分解:

$2^9\times {\mathrm{449}}^1\times {\mathrm{557}}^1$

素因数の和:1024

約数の個数: 40

約数和(自身を含む): 256875300

約数和(自身を除く): 128827684

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 449, 512, 557, 898, 1114, 1796, 2228, 3592, 4456, 7184, 8912, 14368, 17824, 28736, 35648, 57472, 71296, 114944, 142592, 229888, 250093, 285184, 500186, 1000372, 2000744, 4001488, 8002976, 16005952, 32011904, 64023808, 128047616]

約数ペア:

[(1, 128047616), (2, 64023808), (4, 32011904), (8, 16005952), (16, 8002976), (32, 4001488), (64, 2000744), (128, 1000372), (256, 500186), (449, 285184), (512, 250093), (557, 229888), (898, 142592), (1114, 114944), (1796, 71296), (2228, 57472), (3592, 35648), (4456, 28736), (7184, 17824), (8912, 14368)]