199945509743

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{321833}}^1$

素因数の和:322287

約数の個数: 24

約数和(自身を含む): 240680338560

約数和(自身を除く): 40734828817

約数列:

[1, 7, 31, 49, 217, 409, 1519, 2863, 12679, 20041, 88753, 321833, 621271, 2252831, 9976823, 15769817, 69837761, 131629697, 488864327, 921407879, 4080520607, 6449855153, 28563644249, 199945509743]

約数ペア:

[(1, 199945509743), (7, 28563644249), (31, 6449855153), (49, 4080520607), (217, 921407879), (409, 488864327), (1519, 131629697), (2863, 69837761), (12679, 15769817), (20041, 9976823), (88753, 2252831), (321833, 621271)]