17720128

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 56

約数和(自身を含む): 37014912

約数和(自身を除く): 19294784

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 64, 86, 94, 137, 172, 188, 274, 344, 376, 548, 688, 752, 1096, 1376, 1504, 2021, 2192, 2752, 3008, 4042, 4384, 5891, 6439, 8084, 8768, 11782, 12878, 16168, 23564, 25756, 32336, 47128, 51512, 64672, 94256, 103024, 129344, 188512, 206048, 276877, 377024, 412096, 553754, 1107508, 2215016, 4430032, 8860064, 17720128]

約数ペア:

[(1, 17720128), (2, 8860064), (4, 4430032), (8, 2215016), (16, 1107508), (32, 553754), (43, 412096), (47, 377024), (64, 276877), (86, 206048), (94, 188512), (137, 129344), (172, 103024), (188, 94256), (274, 64672), (344, 51512), (376, 47128), (548, 32336), (688, 25756), (752, 23564), (1096, 16168), (1376, 12878), (1504, 11782), (2021, 8768), (2192, 8084), (2752, 6439), (3008, 5891), (4042, 4384)]