661251696

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{5639}}^1$

素因数の和:6006

約数の個数: 80

約数和(自身を含む): 1958208000

約数和(自身を除く): 1296956304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 349, 698, 1047, 1396, 2094, 2443, 2792, 4188, 4886, 5584, 5639, 7329, 8376, 9772, 11278, 14658, 16752, 16917, 19544, 22556, 29316, 33834, 39088, 39473, 45112, 58632, 67668, 78946, 90224, 117264, 118419, 135336, 157892, 236838, 270672, 315784, 473676, 631568, 947352, 1894704, 1968011, 3936022, 5904033, 7872044, 11808066, 13776077, 15744088, 23616132, 27552154, 31488176, 41328231, 47232264, 55104308, 82656462, 94464528, 110208616, 165312924, 220417232, 330625848, 661251696]

約数ペア:

[(1, 661251696), (2, 330625848), (3, 220417232), (4, 165312924), (6, 110208616), (7, 94464528), (8, 82656462), (12, 55104308), (14, 47232264), (16, 41328231), (21, 31488176), (24, 27552154), (28, 23616132), (42, 15744088), (48, 13776077), (56, 11808066), (84, 7872044), (112, 5904033), (168, 3936022), (336, 1968011), (349, 1894704), (698, 947352), (1047, 631568), (1396, 473676), (2094, 315784), (2443, 270672), (2792, 236838), (4188, 157892), (4886, 135336), (5584, 118419), (5639, 117264), (7329, 90224), (8376, 78946), (9772, 67668), (11278, 58632), (14658, 45112), (16752, 39473), (16917, 39088), (19544, 33834), (22556, 29316)]