64590128

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 128898000

約数和(自身を除く): 64307872

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 269, 344, 349, 538, 688, 698, 1076, 1396, 2152, 2792, 4304, 5584, 11567, 15007, 23134, 30014, 46268, 60028, 92536, 93881, 120056, 185072, 187762, 240112, 375524, 751048, 1502096, 4036883, 8073766, 16147532, 32295064, 64590128]

約数ペア:

[(1, 64590128), (2, 32295064), (4, 16147532), (8, 8073766), (16, 4036883), (43, 1502096), (86, 751048), (172, 375524), (269, 240112), (344, 187762), (349, 185072), (538, 120056), (688, 93881), (698, 92536), (1076, 60028), (1396, 46268), (2152, 30014), (2792, 23134), (4304, 15007), (5584, 11567)]