820188684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{12967}}^1$

素因数の和:13235

約数の個数: 72

約数和(自身を含む): 2379057408

約数和(自身を除く): 1558868724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 502, 753, 1004, 1506, 1757, 2259, 3012, 3514, 4518, 5271, 7028, 9036, 10542, 12967, 15813, 21084, 25934, 31626, 38901, 51868, 63252, 77802, 90769, 116703, 155604, 181538, 233406, 272307, 363076, 466812, 544614, 816921, 1089228, 1633842, 3254717, 3267684, 6509434, 9764151, 13018868, 19528302, 22783019, 29292453, 39056604, 45566038, 58584906, 68349057, 91132076, 117169812, 136698114, 205047171, 273396228, 410094342, 820188684]

約数ペア:

[(1, 820188684), (2, 410094342), (3, 273396228), (4, 205047171), (6, 136698114), (7, 117169812), (9, 91132076), (12, 68349057), (14, 58584906), (18, 45566038), (21, 39056604), (28, 29292453), (36, 22783019), (42, 19528302), (63, 13018868), (84, 9764151), (126, 6509434), (251, 3267684), (252, 3254717), (502, 1633842), (753, 1089228), (1004, 816921), (1506, 544614), (1757, 466812), (2259, 363076), (3012, 272307), (3514, 233406), (4518, 181538), (5271, 155604), (7028, 116703), (9036, 90769), (10542, 77802), (12967, 63252), (15813, 51868), (21084, 38901), (25934, 31626)]