397478072

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{628921}}^1$

素因数の和:629006

約数の個数: 16

約数和(自身を含む): 754706400

約数和(自身を除く): 357228328

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 628921, 1257842, 2515684, 5031368, 49684759, 99369518, 198739036, 397478072]

約数ペア:

[(1, 397478072), (2, 198739036), (4, 99369518), (8, 49684759), (79, 5031368), (158, 2515684), (316, 1257842), (632, 628921)]