131556894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 307971072

約数和(自身を除く): 176414178

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 157, 213, 281, 314, 426, 471, 497, 562, 843, 942, 994, 1099, 1491, 1686, 1967, 2198, 2982, 3297, 3934, 5901, 6594, 11147, 11802, 19951, 22294, 33441, 39902, 44117, 59853, 66882, 78029, 88234, 119706, 132351, 139657, 156058, 234087, 264702, 279314, 308819, 418971, 468174, 617638, 837942, 926457, 1852914, 3132307, 6264614, 9396921, 18793842, 21926149, 43852298, 65778447, 131556894]

約数ペア:

[(1, 131556894), (2, 65778447), (3, 43852298), (6, 21926149), (7, 18793842), (14, 9396921), (21, 6264614), (42, 3132307), (71, 1852914), (142, 926457), (157, 837942), (213, 617638), (281, 468174), (314, 418971), (426, 308819), (471, 279314), (497, 264702), (562, 234087), (843, 156058), (942, 139657), (994, 132351), (1099, 119706), (1491, 88234), (1686, 78029), (1967, 66882), (2198, 59853), (2982, 44117), (3297, 39902), (3934, 33441), (5901, 22294), (6594, 19951), (11147, 11802)]