2561593983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 4051555200

約数和(自身を除く): 1489961217

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 289, 377, 461, 493, 663, 867, 1131, 1383, 1479, 3757, 4913, 5993, 6409, 7837, 8381, 11271, 13369, 14739, 17979, 19227, 23511, 25143, 40107, 63869, 101881, 108953, 133229, 142477, 173797, 191607, 227273, 305643, 326859, 399687, 427431, 521391, 681819, 1731977, 1852201, 2264893, 2954549, 3863641, 5195931, 5556603, 6794679, 8863647, 11590923, 29443609, 50227333, 65681897, 88330827, 150681999, 197045691, 853864661, 2561593983]

約数ペア:

[(1, 2561593983), (3, 853864661), (13, 197045691), (17, 150681999), (29, 88330827), (39, 65681897), (51, 50227333), (87, 29443609), (221, 11590923), (289, 8863647), (377, 6794679), (461, 5556603), (493, 5195931), (663, 3863641), (867, 2954549), (1131, 2264893), (1383, 1852201), (1479, 1731977), (3757, 681819), (4913, 521391), (5993, 427431), (6409, 399687), (7837, 326859), (8381, 305643), (11271, 227273), (13369, 191607), (14739, 173797), (17979, 142477), (19227, 133229), (23511, 108953), (25143, 101881), (40107, 63869)]