205715419

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 276063552

約数和(自身を除く): 70348133

約数列:

[1, 7, 13, 17, 53, 91, 119, 169, 193, 221, 371, 689, 901, 1183, 1351, 1547, 2509, 2873, 3281, 4823, 6307, 8957, 10229, 11713, 17563, 20111, 22967, 32617, 42653, 62699, 71603, 81991, 132977, 152269, 173893, 228319, 298571, 554489, 930839, 1065883, 1217251, 1728701, 2260609, 3881423, 12100907, 15824263, 29387917, 205715419]

約数ペア:

[(1, 205715419), (7, 29387917), (13, 15824263), (17, 12100907), (53, 3881423), (91, 2260609), (119, 1728701), (169, 1217251), (193, 1065883), (221, 930839), (371, 554489), (689, 298571), (901, 228319), (1183, 173893), (1351, 152269), (1547, 132977), (2509, 81991), (2873, 71603), (3281, 62699), (4823, 42653), (6307, 32617), (8957, 22967), (10229, 20111), (11713, 17563)]