16438578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2887}}^1$

素因数の和:2978

約数の個数: 32

約数和(自身を含む): 35903616

約数和(自身を除く): 19465038

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 2887, 5694, 5774, 8661, 17322, 37531, 75062, 112593, 210751, 225186, 421502, 632253, 1264506, 2739763, 5479526, 8219289, 16438578]

約数ペア:

[(1, 16438578), (2, 8219289), (3, 5479526), (6, 2739763), (13, 1264506), (26, 632253), (39, 421502), (73, 225186), (78, 210751), (146, 112593), (219, 75062), (438, 37531), (949, 17322), (1898, 8661), (2847, 5774), (2887, 5694)]