128497232

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 60

約数和(自身を含む): 263379348

約数和(自身を除く): 134882116

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 137, 244, 248, 274, 488, 496, 548, 961, 976, 1096, 1891, 1922, 2192, 3782, 3844, 4247, 7564, 7688, 8357, 8494, 15128, 15376, 16714, 16988, 30256, 33428, 33976, 58621, 66856, 67952, 117242, 131657, 133712, 234484, 259067, 263314, 468968, 518134, 526628, 937936, 1036268, 1053256, 2072536, 2106512, 4145072, 8031077, 16062154, 32124308, 64248616, 128497232]

約数ペア:

[(1, 128497232), (2, 64248616), (4, 32124308), (8, 16062154), (16, 8031077), (31, 4145072), (61, 2106512), (62, 2072536), (122, 1053256), (124, 1036268), (137, 937936), (244, 526628), (248, 518134), (274, 468968), (488, 263314), (496, 259067), (548, 234484), (961, 133712), (976, 131657), (1096, 117242), (1891, 67952), (1922, 66856), (2192, 58621), (3782, 33976), (3844, 33428), (4247, 30256), (7564, 16988), (7688, 16714), (8357, 15376), (8494, 15128)]