251657568

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{16487}}^1$

素因数の和:16556

約数の個数: 72

約数和(自身を含む): 729198288

約数和(自身を除く): 477540720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1272, 1696, 1908, 2544, 3816, 5088, 7632, 15264, 16487, 32974, 49461, 65948, 98922, 131896, 148383, 197844, 263792, 296766, 395688, 527584, 593532, 791376, 873811, 1187064, 1582752, 1747622, 2374128, 2621433, 3495244, 4748256, 5242866, 6990488, 7864299, 10485732, 13980976, 15728598, 20971464, 27961952, 31457196, 41942928, 62914392, 83885856, 125828784, 251657568]

約数ペア:

[(1, 251657568), (2, 125828784), (3, 83885856), (4, 62914392), (6, 41942928), (8, 31457196), (9, 27961952), (12, 20971464), (16, 15728598), (18, 13980976), (24, 10485732), (32, 7864299), (36, 6990488), (48, 5242866), (53, 4748256), (72, 3495244), (96, 2621433), (106, 2374128), (144, 1747622), (159, 1582752), (212, 1187064), (288, 873811), (318, 791376), (424, 593532), (477, 527584), (636, 395688), (848, 296766), (954, 263792), (1272, 197844), (1696, 148383), (1908, 131896), (2544, 98922), (3816, 65948), (5088, 49461), (7632, 32974), (15264, 16487)]