28220136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 87816960

約数和(自身を除く): 59596824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 41, 42, 51, 56, 68, 82, 84, 102, 119, 123, 136, 164, 168, 204, 238, 241, 246, 287, 328, 357, 408, 476, 482, 492, 574, 697, 714, 723, 861, 952, 964, 984, 1148, 1394, 1428, 1446, 1687, 1722, 1928, 2091, 2296, 2788, 2856, 2892, 3374, 3444, 4097, 4182, 4879, 5061, 5576, 5784, 6748, 6888, 8194, 8364, 9758, 9881, 10122, 12291, 13496, 14637, 16388, 16728, 19516, 19762, 20244, 24582, 28679, 29274, 29643, 32776, 39032, 39524, 40488, 49164, 57358, 58548, 59286, 69167, 79048, 86037, 98328, 114716, 117096, 118572, 138334, 167977, 172074, 207501, 229432, 237144, 276668, 335954, 344148, 415002, 503931, 553336, 671908, 688296, 830004, 1007862, 1175839, 1343816, 1660008, 2015724, 2351678, 3527517, 4031448, 4703356, 7055034, 9406712, 14110068, 28220136]

約数ペア:

[(1, 28220136), (2, 14110068), (3, 9406712), (4, 7055034), (6, 4703356), (7, 4031448), (8, 3527517), (12, 2351678), (14, 2015724), (17, 1660008), (21, 1343816), (24, 1175839), (28, 1007862), (34, 830004), (41, 688296), (42, 671908), (51, 553336), (56, 503931), (68, 415002), (82, 344148), (84, 335954), (102, 276668), (119, 237144), (123, 229432), (136, 207501), (164, 172074), (168, 167977), (204, 138334), (238, 118572), (241, 117096), (246, 114716), (287, 98328), (328, 86037), (357, 79048), (408, 69167), (476, 59286), (482, 58548), (492, 57358), (574, 49164), (697, 40488), (714, 39524), (723, 39032), (861, 32776), (952, 29643), (964, 29274), (984, 28679), (1148, 24582), (1394, 20244), (1428, 19762), (1446, 19516), (1687, 16728), (1722, 16388), (1928, 14637), (2091, 13496), (2296, 12291), (2788, 10122), (2856, 9881), (2892, 9758), (3374, 8364), (3444, 8194), (4097, 6888), (4182, 6748), (4879, 5784), (5061, 5576)]