978205968

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:957

約数の個数: 120

約数和(自身を含む): 2817260160

約数和(自身を除く): 1839054192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 239, 258, 344, 387, 478, 516, 661, 688, 717, 774, 956, 1032, 1322, 1434, 1548, 1912, 1983, 2064, 2151, 2644, 2868, 3096, 3824, 3966, 4302, 5288, 5736, 5949, 6192, 7932, 8604, 10277, 10576, 11472, 11898, 15864, 17208, 20554, 23796, 28423, 30831, 31728, 34416, 41108, 47592, 56846, 61662, 82216, 85269, 92493, 95184, 113692, 123324, 157979, 164432, 170538, 184986, 227384, 246648, 255807, 315958, 341076, 369972, 454768, 473937, 493296, 511614, 631916, 682152, 739944, 947874, 1023228, 1263832, 1364304, 1421811, 1479888, 1895748, 2046456, 2527664, 2843622, 3791496, 4092912, 5687244, 6793097, 7582992, 11374488, 13586194, 20379291, 22748976, 27172388, 40758582, 54344776, 61137873, 81517164, 108689552, 122275746, 163034328, 244551492, 326068656, 489102984, 978205968]

約数ペア:

[(1, 978205968), (2, 489102984), (3, 326068656), (4, 244551492), (6, 163034328), (8, 122275746), (9, 108689552), (12, 81517164), (16, 61137873), (18, 54344776), (24, 40758582), (36, 27172388), (43, 22748976), (48, 20379291), (72, 13586194), (86, 11374488), (129, 7582992), (144, 6793097), (172, 5687244), (239, 4092912), (258, 3791496), (344, 2843622), (387, 2527664), (478, 2046456), (516, 1895748), (661, 1479888), (688, 1421811), (717, 1364304), (774, 1263832), (956, 1023228), (1032, 947874), (1322, 739944), (1434, 682152), (1548, 631916), (1912, 511614), (1983, 493296), (2064, 473937), (2151, 454768), (2644, 369972), (2868, 341076), (3096, 315958), (3824, 255807), (3966, 246648), (4302, 227384), (5288, 184986), (5736, 170538), (5949, 164432), (6192, 157979), (7932, 123324), (8604, 113692), (10277, 95184), (10576, 92493), (11472, 85269), (11898, 82216), (15864, 61662), (17208, 56846), (20554, 47592), (23796, 41108), (28423, 34416), (30831, 31728)]