251665232

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1361}}^1$

素因数の和:1516

約数の個数: 80

約数和(自身を含む): 605294592

約数和(自身を除く): 353629360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 127, 182, 208, 254, 364, 508, 728, 889, 1016, 1361, 1456, 1651, 1778, 2032, 2722, 3302, 3556, 5444, 6604, 7112, 9527, 10888, 11557, 13208, 14224, 17693, 19054, 21776, 23114, 26416, 35386, 38108, 46228, 70772, 76216, 92456, 123851, 141544, 152432, 172847, 184912, 247702, 283088, 345694, 495404, 691388, 990808, 1209929, 1382776, 1981616, 2247011, 2419858, 2765552, 4494022, 4839716, 8988044, 9679432, 15729077, 17976088, 19358864, 31458154, 35952176, 62916308, 125832616, 251665232]

約数ペア:

[(1, 251665232), (2, 125832616), (4, 62916308), (7, 35952176), (8, 31458154), (13, 19358864), (14, 17976088), (16, 15729077), (26, 9679432), (28, 8988044), (52, 4839716), (56, 4494022), (91, 2765552), (104, 2419858), (112, 2247011), (127, 1981616), (182, 1382776), (208, 1209929), (254, 990808), (364, 691388), (508, 495404), (728, 345694), (889, 283088), (1016, 247702), (1361, 184912), (1456, 172847), (1651, 152432), (1778, 141544), (2032, 123851), (2722, 92456), (3302, 76216), (3556, 70772), (5444, 46228), (6604, 38108), (7112, 35386), (9527, 26416), (10888, 23114), (11557, 21776), (13208, 19054), (14224, 17693)]