28627788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 80217088

約数和(自身を除く): 51589300

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 61, 74, 84, 111, 122, 148, 151, 183, 222, 244, 259, 302, 366, 427, 444, 453, 518, 604, 732, 777, 854, 906, 1036, 1057, 1281, 1554, 1708, 1812, 2114, 2257, 2562, 3108, 3171, 4228, 4514, 5124, 5587, 6342, 6771, 9028, 9211, 11174, 12684, 13542, 15799, 16761, 18422, 22348, 27084, 27633, 31598, 33522, 36844, 39109, 47397, 55266, 63196, 64477, 67044, 78218, 94794, 110532, 117327, 128954, 156436, 189588, 193431, 234654, 257908, 340807, 386862, 469308, 681614, 773724, 1022421, 1363228, 2044842, 2385649, 4089684, 4771298, 7156947, 9542596, 14313894, 28627788]

約数ペア:

[(1, 28627788), (2, 14313894), (3, 9542596), (4, 7156947), (6, 4771298), (7, 4089684), (12, 2385649), (14, 2044842), (21, 1363228), (28, 1022421), (37, 773724), (42, 681614), (61, 469308), (74, 386862), (84, 340807), (111, 257908), (122, 234654), (148, 193431), (151, 189588), (183, 156436), (222, 128954), (244, 117327), (259, 110532), (302, 94794), (366, 78218), (427, 67044), (444, 64477), (453, 63196), (518, 55266), (604, 47397), (732, 39109), (777, 36844), (854, 33522), (906, 31598), (1036, 27633), (1057, 27084), (1281, 22348), (1554, 18422), (1708, 16761), (1812, 15799), (2114, 13542), (2257, 12684), (2562, 11174), (3108, 9211), (3171, 9028), (4228, 6771), (4514, 6342), (5124, 5587)]