258805456

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:481

約数の個数: 120

約数和(自身を含む): 639229920

約数和(自身を除く): 380424464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 67, 91, 98, 104, 112, 134, 182, 196, 208, 268, 364, 379, 392, 469, 536, 637, 728, 758, 784, 871, 938, 1072, 1274, 1456, 1516, 1742, 1876, 2548, 2653, 3032, 3283, 3484, 3752, 4927, 5096, 5306, 6064, 6097, 6566, 6968, 7504, 9854, 10192, 10612, 12194, 13132, 13936, 18571, 19708, 21224, 24388, 25393, 26264, 34489, 37142, 39416, 42448, 42679, 48776, 50786, 52528, 68978, 74284, 78832, 85358, 97552, 101572, 137956, 148568, 170716, 177751, 203144, 241423, 275912, 297136, 330109, 341432, 355502, 406288, 482846, 551824, 660218, 682864, 711004, 965692, 1244257, 1320436, 1422008, 1931384, 2310763, 2488514, 2640872, 2844016, 3862768, 4621526, 4977028, 5281744, 9243052, 9954056, 16175341, 18486104, 19908112, 32350682, 36972208, 64701364, 129402728, 258805456]

約数ペア:

[(1, 258805456), (2, 129402728), (4, 64701364), (7, 36972208), (8, 32350682), (13, 19908112), (14, 18486104), (16, 16175341), (26, 9954056), (28, 9243052), (49, 5281744), (52, 4977028), (56, 4621526), (67, 3862768), (91, 2844016), (98, 2640872), (104, 2488514), (112, 2310763), (134, 1931384), (182, 1422008), (196, 1320436), (208, 1244257), (268, 965692), (364, 711004), (379, 682864), (392, 660218), (469, 551824), (536, 482846), (637, 406288), (728, 355502), (758, 341432), (784, 330109), (871, 297136), (938, 275912), (1072, 241423), (1274, 203144), (1456, 177751), (1516, 170716), (1742, 148568), (1876, 137956), (2548, 101572), (2653, 97552), (3032, 85358), (3283, 78832), (3484, 74284), (3752, 68978), (4927, 52528), (5096, 50786), (5306, 48776), (6064, 42679), (6097, 42448), (6566, 39416), (6968, 37142), (7504, 34489), (9854, 26264), (10192, 25393), (10612, 24388), (12194, 21224), (13132, 19708), (13936, 18571)]