81221784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28439}}^1$

素因数の和:28472

約数の個数: 64

約数和(自身を含む): 245721600

約数和(自身を除く): 164499816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 357, 408, 476, 714, 952, 1428, 2856, 28439, 56878, 85317, 113756, 170634, 199073, 227512, 341268, 398146, 483463, 597219, 682536, 796292, 966926, 1194438, 1450389, 1592584, 1933852, 2388876, 2900778, 3384241, 3867704, 4777752, 5801556, 6768482, 10152723, 11603112, 13536964, 20305446, 27073928, 40610892, 81221784]

約数ペア:

[(1, 81221784), (2, 40610892), (3, 27073928), (4, 20305446), (6, 13536964), (7, 11603112), (8, 10152723), (12, 6768482), (14, 5801556), (17, 4777752), (21, 3867704), (24, 3384241), (28, 2900778), (34, 2388876), (42, 1933852), (51, 1592584), (56, 1450389), (68, 1194438), (84, 966926), (102, 796292), (119, 682536), (136, 597219), (168, 483463), (204, 398146), (238, 341268), (357, 227512), (408, 199073), (476, 170634), (714, 113756), (952, 85317), (1428, 56878), (2856, 28439)]