164283136

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 343261184

約数和(自身を除く): 178978048

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 163, 248, 254, 256, 326, 496, 508, 652, 992, 1016, 1304, 1984, 2032, 2608, 3937, 3968, 4064, 5053, 5216, 7874, 7936, 8128, 10106, 10432, 15748, 16256, 20212, 20701, 20864, 31496, 32512, 40424, 41402, 41728, 62992, 80848, 82804, 125984, 161696, 165608, 251968, 323392, 331216, 503936, 641731, 646784, 662432, 1007872, 1283462, 1293568, 1324864, 2566924, 2649728, 5133848, 5299456, 10267696, 20535392, 41070784, 82141568, 164283136]

約数ペア:

[(1, 164283136), (2, 82141568), (4, 41070784), (8, 20535392), (16, 10267696), (31, 5299456), (32, 5133848), (62, 2649728), (64, 2566924), (124, 1324864), (127, 1293568), (128, 1283462), (163, 1007872), (248, 662432), (254, 646784), (256, 641731), (326, 503936), (496, 331216), (508, 323392), (652, 251968), (992, 165608), (1016, 161696), (1304, 125984), (1984, 82804), (2032, 80848), (2608, 62992), (3937, 41728), (3968, 41402), (4064, 40424), (5053, 32512), (5216, 31496), (7874, 20864), (7936, 20701), (8128, 20212), (10106, 16256), (10432, 15748)]