81937352

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 181923840

約数和(自身を除く): 99986488

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 127, 164, 254, 281, 287, 328, 508, 562, 574, 889, 1016, 1124, 1148, 1778, 1967, 2248, 2296, 3556, 3934, 5207, 7112, 7868, 10414, 11521, 15736, 20828, 23042, 35687, 36449, 41656, 46084, 71374, 72898, 80647, 92168, 142748, 145796, 161294, 249809, 285496, 291592, 322588, 499618, 645176, 999236, 1463167, 1998472, 2926334, 5852668, 10242169, 11705336, 20484338, 40968676, 81937352]

約数ペア:

[(1, 81937352), (2, 40968676), (4, 20484338), (7, 11705336), (8, 10242169), (14, 5852668), (28, 2926334), (41, 1998472), (56, 1463167), (82, 999236), (127, 645176), (164, 499618), (254, 322588), (281, 291592), (287, 285496), (328, 249809), (508, 161294), (562, 145796), (574, 142748), (889, 92168), (1016, 80647), (1124, 72898), (1148, 71374), (1778, 46084), (1967, 41656), (2248, 36449), (2296, 35687), (3556, 23042), (3934, 20828), (5207, 15736), (7112, 11521), (7868, 10414)]