28387212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 81349632

約数和(自身を除く): 52962420

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 103, 119, 193, 204, 206, 238, 309, 357, 386, 412, 476, 579, 618, 714, 721, 772, 1158, 1236, 1351, 1428, 1442, 1751, 2163, 2316, 2702, 2884, 3281, 3502, 4053, 4326, 5253, 5404, 6562, 7004, 8106, 8652, 9843, 10506, 12257, 13124, 16212, 19686, 19879, 21012, 22967, 24514, 36771, 39372, 39758, 45934, 49028, 59637, 68901, 73542, 79516, 91868, 119274, 137802, 139153, 147084, 238548, 275604, 278306, 337943, 417459, 556612, 675886, 834918, 1013829, 1351772, 1669836, 2027658, 2365601, 4055316, 4731202, 7096803, 9462404, 14193606, 28387212]

約数ペア:

[(1, 28387212), (2, 14193606), (3, 9462404), (4, 7096803), (6, 4731202), (7, 4055316), (12, 2365601), (14, 2027658), (17, 1669836), (21, 1351772), (28, 1013829), (34, 834918), (42, 675886), (51, 556612), (68, 417459), (84, 337943), (102, 278306), (103, 275604), (119, 238548), (193, 147084), (204, 139153), (206, 137802), (238, 119274), (309, 91868), (357, 79516), (386, 73542), (412, 68901), (476, 59637), (579, 49028), (618, 45934), (714, 39758), (721, 39372), (772, 36771), (1158, 24514), (1236, 22967), (1351, 21012), (1428, 19879), (1442, 19686), (1751, 16212), (2163, 13124), (2316, 12257), (2702, 10506), (2884, 9843), (3281, 8652), (3502, 8106), (4053, 7004), (4326, 6562), (5253, 5404)]