28307538

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 74280960

約数和(自身を除く): 45973422

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 61, 63, 87, 122, 126, 127, 174, 183, 203, 254, 261, 366, 381, 406, 427, 522, 549, 609, 762, 854, 889, 1098, 1143, 1218, 1281, 1769, 1778, 1827, 2286, 2562, 2667, 3538, 3654, 3683, 3843, 5307, 5334, 7366, 7686, 7747, 8001, 10614, 11049, 12383, 15494, 15921, 16002, 22098, 23241, 24766, 25781, 31842, 33147, 37149, 46482, 51562, 54229, 66294, 69723, 74298, 77343, 108458, 111447, 139446, 154686, 162687, 222894, 224663, 232029, 325374, 449326, 464058, 488061, 673989, 976122, 1347978, 1572641, 2021967, 3145282, 4043934, 4717923, 9435846, 14153769, 28307538]

約数ペア:

[(1, 28307538), (2, 14153769), (3, 9435846), (6, 4717923), (7, 4043934), (9, 3145282), (14, 2021967), (18, 1572641), (21, 1347978), (29, 976122), (42, 673989), (58, 488061), (61, 464058), (63, 449326), (87, 325374), (122, 232029), (126, 224663), (127, 222894), (174, 162687), (183, 154686), (203, 139446), (254, 111447), (261, 108458), (366, 77343), (381, 74298), (406, 69723), (427, 66294), (522, 54229), (549, 51562), (609, 46482), (762, 37149), (854, 33147), (889, 31842), (1098, 25781), (1143, 24766), (1218, 23241), (1281, 22098), (1769, 16002), (1778, 15921), (1827, 15494), (2286, 12383), (2562, 11049), (2667, 10614), (3538, 8001), (3654, 7747), (3683, 7686), (3843, 7366), (5307, 5334)]