389645284

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{34703}}^1$

素因数の和:35115

約数の個数: 24

約数和(自身を含む): 781256448

約数和(自身を除く): 391611164

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 2807, 5614, 11228, 34703, 69406, 138812, 242921, 485842, 971684, 13915903, 27831806, 55663612, 97411321, 194822642, 389645284]

約数ペア:

[(1, 389645284), (2, 194822642), (4, 97411321), (7, 55663612), (14, 27831806), (28, 13915903), (401, 971684), (802, 485842), (1604, 242921), (2807, 138812), (5614, 69406), (11228, 34703)]