27990704

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 66977856

約数和(自身を除く): 38987152

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 61, 68, 112, 119, 122, 136, 238, 241, 244, 272, 427, 476, 482, 488, 854, 952, 964, 976, 1037, 1687, 1708, 1904, 1928, 2074, 3374, 3416, 3856, 4097, 4148, 6748, 6832, 7259, 8194, 8296, 13496, 14518, 14701, 16388, 16592, 26992, 28679, 29036, 29402, 32776, 57358, 58072, 58804, 65552, 102907, 114716, 116144, 117608, 205814, 229432, 235216, 249917, 411628, 458864, 499834, 823256, 999668, 1646512, 1749419, 1999336, 3498838, 3998672, 6997676, 13995352, 27990704]

約数ペア:

[(1, 27990704), (2, 13995352), (4, 6997676), (7, 3998672), (8, 3498838), (14, 1999336), (16, 1749419), (17, 1646512), (28, 999668), (34, 823256), (56, 499834), (61, 458864), (68, 411628), (112, 249917), (119, 235216), (122, 229432), (136, 205814), (238, 117608), (241, 116144), (244, 114716), (272, 102907), (427, 65552), (476, 58804), (482, 58072), (488, 57358), (854, 32776), (952, 29402), (964, 29036), (976, 28679), (1037, 26992), (1687, 16592), (1708, 16388), (1904, 14701), (1928, 14518), (2074, 13496), (3374, 8296), (3416, 8194), (3856, 7259), (4097, 6832), (4148, 6748)]