15551488768

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{7451}}^1$

素因数の和:7761

約数の個数: 72

約数和(自身を含む): 32169747456

約数和(自身を除く): 16618258688

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 263, 496, 526, 992, 1052, 1984, 2104, 3968, 4208, 7451, 7936, 8153, 8416, 14902, 16306, 16832, 29804, 32612, 33664, 59608, 65224, 67328, 119216, 130448, 230981, 238432, 260896, 461962, 476864, 521792, 923924, 953728, 1043584, 1847848, 1907456, 1959613, 2087168, 3695696, 3919226, 7391392, 7838452, 14782784, 15676904, 29565568, 31353808, 59131136, 60748003, 62707616, 121496006, 125415232, 242992012, 250830464, 485984024, 501660928, 971968048, 1943936096, 3887872192, 7775744384, 15551488768]

約数ペア:

[(1, 15551488768), (2, 7775744384), (4, 3887872192), (8, 1943936096), (16, 971968048), (31, 501660928), (32, 485984024), (62, 250830464), (64, 242992012), (124, 125415232), (128, 121496006), (248, 62707616), (256, 60748003), (263, 59131136), (496, 31353808), (526, 29565568), (992, 15676904), (1052, 14782784), (1984, 7838452), (2104, 7391392), (3968, 3919226), (4208, 3695696), (7451, 2087168), (7936, 1959613), (8153, 1907456), (8416, 1847848), (14902, 1043584), (16306, 953728), (16832, 923924), (29804, 521792), (32612, 476864), (33664, 461962), (59608, 260896), (65224, 238432), (67328, 230981), (119216, 130448)]