128981337121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{87943}}^1$

素因数の和:88261

約数の個数: 32

約数和(自身を含む): 161693134848

約数和(自身を除く): 32711797727

約数列:

[1, 7, 13, 71, 91, 227, 497, 923, 1589, 2951, 6461, 16117, 20657, 87943, 112819, 209521, 615601, 1143259, 1466647, 6243953, 8002813, 19963061, 43707671, 81171389, 139741427, 259519793, 568199723, 1417377331, 1816638551, 9921641317, 18425905303, 128981337121]

約数ペア:

[(1, 128981337121), (7, 18425905303), (13, 9921641317), (71, 1816638551), (91, 1417377331), (227, 568199723), (497, 259519793), (923, 139741427), (1589, 81171389), (2951, 43707671), (6461, 19963061), (16117, 8002813), (20657, 6243953), (87943, 1466647), (112819, 1143259), (209521, 615601)]