205735564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 395974656

約数和(自身を除く): 190239092

約数列:

[1, 2, 4, 17, 34, 43, 68, 71, 86, 142, 172, 284, 731, 991, 1207, 1462, 1982, 2414, 2924, 3053, 3964, 4828, 6106, 12212, 16847, 33694, 42613, 51901, 67388, 70361, 85226, 103802, 140722, 170452, 207604, 281444, 724421, 1196137, 1448842, 2392274, 2897684, 3025523, 4784548, 6051046, 12102092, 51433891, 102867782, 205735564]

約数ペア:

[(1, 205735564), (2, 102867782), (4, 51433891), (17, 12102092), (34, 6051046), (43, 4784548), (68, 3025523), (71, 2897684), (86, 2392274), (142, 1448842), (172, 1196137), (284, 724421), (731, 281444), (991, 207604), (1207, 170452), (1462, 140722), (1982, 103802), (2414, 85226), (2924, 70361), (3053, 67388), (3964, 51901), (4828, 42613), (6106, 33694), (12212, 16847)]