28742142

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 68302080

約数和(自身を除く): 39559938

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 139, 143, 241, 278, 286, 417, 429, 482, 723, 834, 858, 1446, 1529, 1807, 2651, 3058, 3133, 3614, 4587, 5302, 5421, 6266, 7953, 9174, 9399, 10842, 15906, 18798, 19877, 33499, 34463, 39754, 59631, 66998, 68926, 100497, 103389, 119262, 200994, 206778, 368489, 435487, 736978, 870974, 1105467, 1306461, 2210934, 2612922, 4790357, 9580714, 14371071, 28742142]

約数ペア:

[(1, 28742142), (2, 14371071), (3, 9580714), (6, 4790357), (11, 2612922), (13, 2210934), (22, 1306461), (26, 1105467), (33, 870974), (39, 736978), (66, 435487), (78, 368489), (139, 206778), (143, 200994), (241, 119262), (278, 103389), (286, 100497), (417, 68926), (429, 66998), (482, 59631), (723, 39754), (834, 34463), (858, 33499), (1446, 19877), (1529, 18798), (1807, 15906), (2651, 10842), (3058, 9399), (3133, 9174), (3614, 7953), (4587, 6266), (5302, 5421)]