2578996826

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{42751}}^1$

素因数の和:42930

約数の個数: 32

約数和(自身を含む): 4596695040

約数和(自身を除く): 2017698214

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 434, 973, 1946, 4309, 8618, 30163, 42751, 60326, 85502, 299257, 598514, 1325281, 2650562, 5942389, 9276967, 11884778, 18553934, 41596723, 83193446, 184214059, 368428118, 1289498413, 2578996826]

約数ペア:

[(1, 2578996826), (2, 1289498413), (7, 368428118), (14, 184214059), (31, 83193446), (62, 41596723), (139, 18553934), (217, 11884778), (278, 9276967), (434, 5942389), (973, 2650562), (1946, 1325281), (4309, 598514), (8618, 299257), (30163, 85502), (42751, 60326)]