81479968

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 164263680

約数和(自身を除く): 82783712

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 167, 193, 316, 334, 386, 632, 668, 772, 1264, 1336, 1544, 2528, 2672, 3088, 5344, 6176, 13193, 15247, 26386, 30494, 32231, 52772, 60988, 64462, 105544, 121976, 128924, 211088, 243952, 257848, 422176, 487904, 515696, 1031392, 2546249, 5092498, 10184996, 20369992, 40739984, 81479968]

約数ペア:

[(1, 81479968), (2, 40739984), (4, 20369992), (8, 10184996), (16, 5092498), (32, 2546249), (79, 1031392), (158, 515696), (167, 487904), (193, 422176), (316, 257848), (334, 243952), (386, 211088), (632, 128924), (668, 121976), (772, 105544), (1264, 64462), (1336, 60988), (1544, 52772), (2528, 32231), (2672, 30494), (3088, 26386), (5344, 15247), (6176, 13193)]