257065788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{773}}^1$

素因数の和:931

約数の個数: 96

約数和(自身を含む): 711535104

約数和(自身を除く): 454469316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 107, 111, 148, 214, 222, 259, 321, 428, 444, 518, 642, 749, 773, 777, 1036, 1284, 1498, 1546, 1554, 2247, 2319, 2996, 3092, 3108, 3959, 4494, 4638, 5411, 7918, 8988, 9276, 10822, 11877, 15836, 16233, 21644, 23754, 27713, 28601, 32466, 47508, 55426, 57202, 64932, 82711, 83139, 85803, 110852, 114404, 165422, 166278, 171606, 200207, 248133, 330844, 332556, 343212, 400414, 496266, 578977, 600621, 800828, 992532, 1157954, 1201242, 1736931, 2315908, 2402484, 3060307, 3473862, 6120614, 6947724, 9180921, 12241228, 18361842, 21422149, 36723684, 42844298, 64266447, 85688596, 128532894, 257065788]

約数ペア:

[(1, 257065788), (2, 128532894), (3, 85688596), (4, 64266447), (6, 42844298), (7, 36723684), (12, 21422149), (14, 18361842), (21, 12241228), (28, 9180921), (37, 6947724), (42, 6120614), (74, 3473862), (84, 3060307), (107, 2402484), (111, 2315908), (148, 1736931), (214, 1201242), (222, 1157954), (259, 992532), (321, 800828), (428, 600621), (444, 578977), (518, 496266), (642, 400414), (749, 343212), (773, 332556), (777, 330844), (1036, 248133), (1284, 200207), (1498, 171606), (1546, 166278), (1554, 165422), (2247, 114404), (2319, 110852), (2996, 85803), (3092, 83139), (3108, 82711), (3959, 64932), (4494, 57202), (4638, 55426), (5411, 47508), (7918, 32466), (8988, 28601), (9276, 27713), (10822, 23754), (11877, 21644), (15836, 16233)]