217871758

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{593}}^1\times {\mathrm{1087}}^1$

素因数の和:1708

約数の個数: 24

約数和(自身を含む): 354803328

約数和(自身を除く): 136931570

約数列:

[1, 2, 13, 26, 169, 338, 593, 1087, 1186, 2174, 7709, 14131, 15418, 28262, 100217, 183703, 200434, 367406, 644591, 1289182, 8379683, 16759366, 108935879, 217871758]

約数ペア:

[(1, 217871758), (2, 108935879), (13, 16759366), (26, 8379683), (169, 1289182), (338, 644591), (593, 367406), (1087, 200434), (1186, 183703), (2174, 100217), (7709, 28262), (14131, 15418)]