64255568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 143740800

約数和(自身を除く): 79485232

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 71, 76, 104, 142, 152, 208, 229, 247, 284, 304, 458, 494, 568, 916, 923, 988, 1136, 1349, 1832, 1846, 1976, 2698, 2977, 3664, 3692, 3952, 4351, 5396, 5954, 7384, 8702, 10792, 11908, 14768, 16259, 17404, 17537, 21584, 23816, 32518, 34808, 35074, 47632, 56563, 65036, 69616, 70148, 113126, 130072, 140296, 211367, 226252, 260144, 280592, 308921, 422734, 452504, 617842, 845468, 905008, 1235684, 1690936, 2471368, 3381872, 4015973, 4942736, 8031946, 16063892, 32127784, 64255568]

約数ペア:

[(1, 64255568), (2, 32127784), (4, 16063892), (8, 8031946), (13, 4942736), (16, 4015973), (19, 3381872), (26, 2471368), (38, 1690936), (52, 1235684), (71, 905008), (76, 845468), (104, 617842), (142, 452504), (152, 422734), (208, 308921), (229, 280592), (247, 260144), (284, 226252), (304, 211367), (458, 140296), (494, 130072), (568, 113126), (916, 70148), (923, 69616), (988, 65036), (1136, 56563), (1349, 47632), (1832, 35074), (1846, 34808), (1976, 32518), (2698, 23816), (2977, 21584), (3664, 17537), (3692, 17404), (3952, 16259), (4351, 14768), (5396, 11908), (5954, 10792), (7384, 8702)]