13688885

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{947}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 19452960

約数和(自身を除く): 5764075

約数列:

[1, 5, 7, 35, 49, 59, 245, 295, 413, 947, 2065, 2891, 4735, 6629, 14455, 33145, 46403, 55873, 232015, 279365, 391111, 1955555, 2737777, 13688885]

約数ペア:

[(1, 13688885), (5, 2737777), (7, 1955555), (35, 391111), (49, 279365), (59, 232015), (245, 55873), (295, 46403), (413, 33145), (947, 14455), (2065, 6629), (2891, 4735)]