213838534

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{28657}}^1$

素因数の和:28720

約数の個数: 32

約数和(自身を含む): 404421696

約数和(自身を除く): 190583162

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 3731, 7462, 28657, 57314, 200599, 372541, 401198, 745082, 1174937, 2349874, 2607787, 5215574, 8224559, 15274181, 16449118, 30548362, 106919267, 213838534]

約数ペア:

[(1, 213838534), (2, 106919267), (7, 30548362), (13, 16449118), (14, 15274181), (26, 8224559), (41, 5215574), (82, 2607787), (91, 2349874), (182, 1174937), (287, 745082), (533, 401198), (574, 372541), (1066, 200599), (3731, 57314), (7462, 28657)]