204290905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 317011968

約数和(自身を除く): 112721063

約数列:

[1, 5, 7, 13, 35, 41, 47, 65, 91, 205, 233, 235, 287, 329, 455, 533, 611, 1165, 1435, 1631, 1645, 1927, 2665, 3029, 3055, 3731, 4277, 8155, 9553, 9635, 10951, 13489, 15145, 18655, 21203, 21385, 25051, 47765, 54755, 66871, 67445, 76657, 106015, 124189, 125255, 142363, 175357, 334355, 383285, 448991, 620945, 711815, 869323, 876785, 996541, 2244955, 3142937, 4346615, 4982705, 5836883, 15714685, 29184415, 40858181, 204290905]

約数ペア:

[(1, 204290905), (5, 40858181), (7, 29184415), (13, 15714685), (35, 5836883), (41, 4982705), (47, 4346615), (65, 3142937), (91, 2244955), (205, 996541), (233, 876785), (235, 869323), (287, 711815), (329, 620945), (455, 448991), (533, 383285), (611, 334355), (1165, 175357), (1435, 142363), (1631, 125255), (1645, 124189), (1927, 106015), (2665, 76657), (3029, 67445), (3055, 66871), (3731, 54755), (4277, 47765), (8155, 25051), (9553, 21385), (9635, 21203), (10951, 18655), (13489, 15145)]