128561856

素因数分解:

$2^6\times 3^1\times {\mathrm{661}}^1\times {\mathrm{1013}}^1$

素因数の和:1689

約数の個数: 56

約数和(自身を含む): 341004144

約数和(自身を除く): 212442288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 661, 1013, 1322, 1983, 2026, 2644, 3039, 3966, 4052, 5288, 6078, 7932, 8104, 10576, 12156, 15864, 16208, 21152, 24312, 31728, 32416, 42304, 48624, 63456, 64832, 97248, 126912, 194496, 669593, 1339186, 2008779, 2678372, 4017558, 5356744, 8035116, 10713488, 16070232, 21426976, 32140464, 42853952, 64280928, 128561856]

約数ペア:

[(1, 128561856), (2, 64280928), (3, 42853952), (4, 32140464), (6, 21426976), (8, 16070232), (12, 10713488), (16, 8035116), (24, 5356744), (32, 4017558), (48, 2678372), (64, 2008779), (96, 1339186), (192, 669593), (661, 194496), (1013, 126912), (1322, 97248), (1983, 64832), (2026, 63456), (2644, 48624), (3039, 42304), (3966, 32416), (4052, 31728), (5288, 24312), (6078, 21152), (7932, 16208), (8104, 15864), (10576, 12156)]