491405128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1217}}^1\times {\mathrm{2969}}^1$

素因数の和:4209

約数の個数: 32

約数和(自身を含む): 976714200

約数和(自身を除く): 485309072

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1217, 2434, 2969, 4868, 5938, 9736, 11876, 20689, 23752, 41378, 50473, 82756, 100946, 165512, 201892, 403784, 3613273, 7226546, 14453092, 28906184, 61425641, 122851282, 245702564, 491405128]

約数ペア:

[(1, 491405128), (2, 245702564), (4, 122851282), (8, 61425641), (17, 28906184), (34, 14453092), (68, 7226546), (136, 3613273), (1217, 403784), (2434, 201892), (2969, 165512), (4868, 100946), (5938, 82756), (9736, 50473), (11876, 41378), (20689, 23752)]