254783256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2713}}^1$

素因数の和:2785

約数の個数: 128

約数和(自身を含む): 802475520

約数和(自身を除く): 547692264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 43, 52, 56, 78, 84, 86, 91, 104, 129, 156, 168, 172, 182, 258, 273, 301, 312, 344, 364, 516, 546, 559, 602, 728, 903, 1032, 1092, 1118, 1204, 1677, 1806, 2184, 2236, 2408, 2713, 3354, 3612, 3913, 4472, 5426, 6708, 7224, 7826, 8139, 10852, 11739, 13416, 15652, 16278, 18991, 21704, 23478, 31304, 32556, 35269, 37982, 46956, 56973, 65112, 70538, 75964, 93912, 105807, 113946, 116659, 141076, 151928, 211614, 227892, 233318, 246883, 282152, 349977, 423228, 455784, 466636, 493766, 699954, 740649, 816613, 846456, 933272, 987532, 1399908, 1481298, 1516567, 1633226, 1975064, 2449839, 2799816, 2962596, 3033134, 3266452, 4549701, 4899678, 5925192, 6066268, 6532904, 9099402, 9799356, 10615969, 12132536, 18198804, 19598712, 21231938, 31847907, 36397608, 42463876, 63695814, 84927752, 127391628, 254783256]

約数ペア:

[(1, 254783256), (2, 127391628), (3, 84927752), (4, 63695814), (6, 42463876), (7, 36397608), (8, 31847907), (12, 21231938), (13, 19598712), (14, 18198804), (21, 12132536), (24, 10615969), (26, 9799356), (28, 9099402), (39, 6532904), (42, 6066268), (43, 5925192), (52, 4899678), (56, 4549701), (78, 3266452), (84, 3033134), (86, 2962596), (91, 2799816), (104, 2449839), (129, 1975064), (156, 1633226), (168, 1516567), (172, 1481298), (182, 1399908), (258, 987532), (273, 933272), (301, 846456), (312, 816613), (344, 740649), (364, 699954), (516, 493766), (546, 466636), (559, 455784), (602, 423228), (728, 349977), (903, 282152), (1032, 246883), (1092, 233318), (1118, 227892), (1204, 211614), (1677, 151928), (1806, 141076), (2184, 116659), (2236, 113946), (2408, 105807), (2713, 93912), (3354, 75964), (3612, 70538), (3913, 65112), (4472, 56973), (5426, 46956), (6708, 37982), (7224, 35269), (7826, 32556), (8139, 31304), (10852, 23478), (11739, 21704), (13416, 18991), (15652, 16278)]