78428248

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{70529}}^1$

素因数の和:70674

約数の個数: 16

約数和(自身を含む): 148113000

約数和(自身を除く): 69684752

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 70529, 141058, 282116, 564232, 9803531, 19607062, 39214124, 78428248]

約数ペア:

[(1, 78428248), (2, 39214124), (4, 19607062), (8, 9803531), (139, 564232), (278, 282116), (556, 141058), (1112, 70529)]