278889057376

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{16931}}^1\times {\mathrm{11971}}^1$

素因数の和:28955

約数の個数: 48

約数和(自身を含む): 561911853888

約数和(自身を除く): 283022796512

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 11971, 16931, 23942, 33862, 47884, 67724, 95768, 135448, 191536, 270896, 383072, 514753, 541792, 728033, 1029506, 1456066, 2059012, 2912132, 4118024, 5824264, 8236048, 11648528, 16472096, 23297056, 202681001, 405362002, 810724004, 1621448008, 3242896016, 6485792032, 8715283043, 17430566086, 34861132172, 69722264344, 139444528688, 278889057376]

約数ペア:

[(1, 278889057376), (2, 139444528688), (4, 69722264344), (8, 34861132172), (16, 17430566086), (32, 8715283043), (43, 6485792032), (86, 3242896016), (172, 1621448008), (344, 810724004), (688, 405362002), (1376, 202681001), (11971, 23297056), (16931, 16472096), (23942, 11648528), (33862, 8236048), (47884, 5824264), (67724, 4118024), (95768, 2912132), (135448, 2059012), (191536, 1456066), (270896, 1029506), (383072, 728033), (514753, 541792)]