28740684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 80227840

約数和(自身を除く): 51487156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 73, 84, 86, 109, 129, 146, 172, 218, 219, 258, 292, 301, 327, 436, 438, 511, 516, 602, 654, 763, 876, 903, 1022, 1204, 1308, 1526, 1533, 1806, 2044, 2289, 3052, 3066, 3139, 3612, 4578, 4687, 6132, 6278, 7957, 9156, 9374, 9417, 12556, 14061, 15914, 18748, 18834, 21973, 23871, 28122, 31828, 32809, 37668, 43946, 47742, 55699, 56244, 65618, 65919, 87892, 95484, 98427, 111398, 131236, 131838, 167097, 196854, 222796, 263676, 334194, 342151, 393708, 668388, 684302, 1026453, 1368604, 2052906, 2395057, 4105812, 4790114, 7185171, 9580228, 14370342, 28740684]

約数ペア:

[(1, 28740684), (2, 14370342), (3, 9580228), (4, 7185171), (6, 4790114), (7, 4105812), (12, 2395057), (14, 2052906), (21, 1368604), (28, 1026453), (42, 684302), (43, 668388), (73, 393708), (84, 342151), (86, 334194), (109, 263676), (129, 222796), (146, 196854), (172, 167097), (218, 131838), (219, 131236), (258, 111398), (292, 98427), (301, 95484), (327, 87892), (436, 65919), (438, 65618), (511, 56244), (516, 55699), (602, 47742), (654, 43946), (763, 37668), (876, 32809), (903, 31828), (1022, 28122), (1204, 23871), (1308, 21973), (1526, 18834), (1533, 18748), (1806, 15914), (2044, 14061), (2289, 12556), (3052, 9417), (3066, 9374), (3139, 9156), (3612, 7957), (4578, 6278), (4687, 6132)]