66487808

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 80

約数和(自身を含む): 141419520

約数和(自身を除く): 74931712

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 71, 118, 124, 128, 142, 236, 248, 256, 284, 472, 496, 512, 568, 944, 992, 1136, 1829, 1888, 1984, 2201, 2272, 3658, 3776, 3968, 4189, 4402, 4544, 7316, 7552, 7936, 8378, 8804, 9088, 14632, 15104, 15872, 16756, 17608, 18176, 29264, 30208, 33512, 35216, 36352, 58528, 67024, 70432, 117056, 129859, 134048, 140864, 234112, 259718, 268096, 281728, 468224, 519436, 536192, 563456, 936448, 1038872, 1072384, 1126912, 2077744, 2144768, 4155488, 8310976, 16621952, 33243904, 66487808]

約数ペア:

[(1, 66487808), (2, 33243904), (4, 16621952), (8, 8310976), (16, 4155488), (31, 2144768), (32, 2077744), (59, 1126912), (62, 1072384), (64, 1038872), (71, 936448), (118, 563456), (124, 536192), (128, 519436), (142, 468224), (236, 281728), (248, 268096), (256, 259718), (284, 234112), (472, 140864), (496, 134048), (512, 129859), (568, 117056), (944, 70432), (992, 67024), (1136, 58528), (1829, 36352), (1888, 35216), (1984, 33512), (2201, 30208), (2272, 29264), (3658, 18176), (3776, 17608), (3968, 16756), (4189, 15872), (4402, 15104), (4544, 14632), (7316, 9088), (7552, 8804), (7936, 8378)]