820135744

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{991}}^1$

素因数の和:1263

約数の個数: 56

約数和(自身を含む): 1661980928

約数和(自身を除く): 841845184

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 193, 268, 386, 536, 772, 991, 1072, 1544, 1982, 2144, 3088, 3964, 4288, 6176, 7928, 12352, 12931, 15856, 25862, 31712, 51724, 63424, 66397, 103448, 132794, 191263, 206896, 265588, 382526, 413792, 531176, 765052, 827584, 1062352, 1530104, 2124704, 3060208, 4249408, 6120416, 12240832, 12814621, 25629242, 51258484, 102516968, 205033936, 410067872, 820135744]

約数ペア:

[(1, 820135744), (2, 410067872), (4, 205033936), (8, 102516968), (16, 51258484), (32, 25629242), (64, 12814621), (67, 12240832), (134, 6120416), (193, 4249408), (268, 3060208), (386, 2124704), (536, 1530104), (772, 1062352), (991, 827584), (1072, 765052), (1544, 531176), (1982, 413792), (2144, 382526), (3088, 265588), (3964, 206896), (4288, 191263), (6176, 132794), (7928, 103448), (12352, 66397), (12931, 63424), (15856, 51724), (25862, 31712)]