51531242

素因数分解:

$2^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{1249}}^1$

素因数の和:1686

約数の個数: 24

約数和(自身を含む): 90202500

約数和(自身を除く): 38671258

約数列:

[1, 2, 7, 14, 49, 98, 421, 842, 1249, 2498, 2947, 5894, 8743, 17486, 20629, 41258, 61201, 122402, 525829, 1051658, 3680803, 7361606, 25765621, 51531242]

約数ペア:

[(1, 51531242), (2, 25765621), (7, 7361606), (14, 3680803), (49, 1051658), (98, 525829), (421, 122402), (842, 61201), (1249, 41258), (2498, 20629), (2947, 17486), (5894, 8743)]