628191718

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 1334983680

約数和(自身を除く): 706791962

約数列:

[1, 2, 7, 11, 14, 17, 19, 22, 34, 38, 73, 77, 119, 133, 146, 154, 173, 187, 209, 238, 266, 323, 346, 374, 418, 511, 646, 803, 1022, 1211, 1241, 1309, 1387, 1463, 1606, 1903, 2261, 2422, 2482, 2618, 2774, 2926, 2941, 3287, 3553, 3806, 4522, 5621, 5882, 6574, 7106, 8687, 9709, 11242, 12629, 13321, 13651, 15257, 17374, 19418, 20587, 23009, 23579, 24871, 25258, 26642, 27302, 30514, 32351, 36157, 41174, 46018, 47158, 49742, 55879, 64702, 72314, 88403, 95557, 106799, 111758, 138919, 165053, 176806, 191114, 213598, 214693, 226457, 239951, 253099, 259369, 277838, 330106, 391153, 429386, 452914, 479902, 506198, 518738, 614669, 782306, 972433, 1229338, 1502851, 1679657, 1815583, 1944866, 2361623, 2639461, 3005702, 3359314, 3631166, 4079167, 4302683, 4723246, 5278922, 8158334, 8605366, 16531361, 18476227, 28554169, 33062722, 36952454, 44870837, 57108338, 89741674, 314095859, 628191718]

約数ペア:

[(1, 628191718), (2, 314095859), (7, 89741674), (11, 57108338), (14, 44870837), (17, 36952454), (19, 33062722), (22, 28554169), (34, 18476227), (38, 16531361), (73, 8605366), (77, 8158334), (119, 5278922), (133, 4723246), (146, 4302683), (154, 4079167), (173, 3631166), (187, 3359314), (209, 3005702), (238, 2639461), (266, 2361623), (323, 1944866), (346, 1815583), (374, 1679657), (418, 1502851), (511, 1229338), (646, 972433), (803, 782306), (1022, 614669), (1211, 518738), (1241, 506198), (1309, 479902), (1387, 452914), (1463, 429386), (1606, 391153), (1903, 330106), (2261, 277838), (2422, 259369), (2482, 253099), (2618, 239951), (2774, 226457), (2926, 214693), (2941, 213598), (3287, 191114), (3553, 176806), (3806, 165053), (4522, 138919), (5621, 111758), (5882, 106799), (6574, 95557), (7106, 88403), (8687, 72314), (9709, 64702), (11242, 55879), (12629, 49742), (13321, 47158), (13651, 46018), (15257, 41174), (17374, 36157), (19418, 32351), (20587, 30514), (23009, 27302), (23579, 26642), (24871, 25258)]