128520656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{11971}}^1$

素因数の和:12051

約数の個数: 40

約数和(自身を含む): 276122208

約数和(自身を除く): 147601552

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 2684, 5368, 10736, 11971, 23942, 47884, 95768, 131681, 191536, 263362, 526724, 730231, 1053448, 1460462, 2106896, 2920924, 5841848, 8032541, 11683696, 16065082, 32130164, 64260328, 128520656]

約数ペア:

[(1, 128520656), (2, 64260328), (4, 32130164), (8, 16065082), (11, 11683696), (16, 8032541), (22, 5841848), (44, 2920924), (61, 2106896), (88, 1460462), (122, 1053448), (176, 730231), (244, 526724), (488, 263362), (671, 191536), (976, 131681), (1342, 95768), (2684, 47884), (5368, 23942), (10736, 11971)]