257772996

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:555

約数の個数: 144

約数和(自身を含む): 750153600

約数和(自身を除く): 492380604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 87, 108, 116, 117, 156, 169, 174, 234, 261, 338, 348, 351, 377, 468, 487, 507, 522, 676, 702, 754, 783, 974, 1014, 1044, 1131, 1404, 1461, 1508, 1521, 1566, 1948, 2028, 2262, 2922, 3042, 3132, 3393, 4383, 4524, 4563, 4901, 5844, 6084, 6331, 6786, 8766, 9126, 9802, 10179, 12662, 13149, 13572, 14123, 14703, 17532, 18252, 18993, 19604, 20358, 25324, 26298, 28246, 29406, 37986, 40716, 42369, 44109, 52596, 56492, 56979, 58812, 75972, 82303, 84738, 88218, 113958, 127107, 132327, 164606, 169476, 170937, 176436, 183599, 227916, 246909, 254214, 264654, 329212, 341874, 367198, 381321, 493818, 508428, 529308, 550797, 683748, 734396, 740727, 762642, 987636, 1101594, 1481454, 1525284, 1652391, 2203188, 2222181, 2386787, 2962908, 3304782, 4444362, 4773574, 4957173, 6609564, 7160361, 8888724, 9547148, 9914346, 14320722, 19828692, 21481083, 28641444, 42962166, 64443249, 85924332, 128886498, 257772996]

約数ペア:

[(1, 257772996), (2, 128886498), (3, 85924332), (4, 64443249), (6, 42962166), (9, 28641444), (12, 21481083), (13, 19828692), (18, 14320722), (26, 9914346), (27, 9547148), (29, 8888724), (36, 7160361), (39, 6609564), (52, 4957173), (54, 4773574), (58, 4444362), (78, 3304782), (87, 2962908), (108, 2386787), (116, 2222181), (117, 2203188), (156, 1652391), (169, 1525284), (174, 1481454), (234, 1101594), (261, 987636), (338, 762642), (348, 740727), (351, 734396), (377, 683748), (468, 550797), (487, 529308), (507, 508428), (522, 493818), (676, 381321), (702, 367198), (754, 341874), (783, 329212), (974, 264654), (1014, 254214), (1044, 246909), (1131, 227916), (1404, 183599), (1461, 176436), (1508, 170937), (1521, 169476), (1566, 164606), (1948, 132327), (2028, 127107), (2262, 113958), (2922, 88218), (3042, 84738), (3132, 82303), (3393, 75972), (4383, 58812), (4524, 56979), (4563, 56492), (4901, 52596), (5844, 44109), (6084, 42369), (6331, 40716), (6786, 37986), (8766, 29406), (9126, 28246), (9802, 26298), (10179, 25324), (12662, 20358), (13149, 19604), (13572, 18993), (14123, 18252), (14703, 17532)]