781494672

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{2347}}^1$

素因数の和:3356

約数の個数: 80

約数和(自身を含む): 2310582272

約数和(自身を除く): 1529087600

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 991, 1982, 2347, 2973, 3964, 4694, 5946, 6937, 7041, 7928, 9388, 11892, 13874, 14082, 15856, 16429, 18776, 20811, 23784, 27748, 28164, 32858, 37552, 41622, 47568, 49287, 55496, 56328, 65716, 83244, 98574, 110992, 112656, 131432, 166488, 197148, 262864, 332976, 394296, 788592, 2325877, 4651754, 6977631, 9303508, 13955262, 16281139, 18607016, 27910524, 32562278, 37214032, 48843417, 55821048, 65124556, 97686834, 111642096, 130249112, 195373668, 260498224, 390747336, 781494672]

約数ペア:

[(1, 781494672), (2, 390747336), (3, 260498224), (4, 195373668), (6, 130249112), (7, 111642096), (8, 97686834), (12, 65124556), (14, 55821048), (16, 48843417), (21, 37214032), (24, 32562278), (28, 27910524), (42, 18607016), (48, 16281139), (56, 13955262), (84, 9303508), (112, 6977631), (168, 4651754), (336, 2325877), (991, 788592), (1982, 394296), (2347, 332976), (2973, 262864), (3964, 197148), (4694, 166488), (5946, 131432), (6937, 112656), (7041, 110992), (7928, 98574), (9388, 83244), (11892, 65716), (13874, 56328), (14082, 55496), (15856, 49287), (16429, 47568), (18776, 41622), (20811, 37552), (23784, 32858), (27748, 28164)]