989291212

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2717833}}^1$

素因数の和:2717857

約数の個数: 24

約数和(自身を含む): 2130781856

約数和(自身を除く): 1141490644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 2717833, 5435666, 10871332, 19024831, 35331829, 38049662, 70663658, 76099324, 141327316, 247322803, 494645606, 989291212]

約数ペア:

[(1, 989291212), (2, 494645606), (4, 247322803), (7, 141327316), (13, 76099324), (14, 70663658), (26, 38049662), (28, 35331829), (52, 19024831), (91, 10871332), (182, 5435666), (364, 2717833)]