397242808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{2920903}}^1$

素因数の和:2920926

約数の個数: 16

約数和(自身を含む): 788644080

約数和(自身を除く): 391401272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 2920903, 5841806, 11683612, 23367224, 49655351, 99310702, 198621404, 397242808]

約数ペア:

[(1, 397242808), (2, 198621404), (4, 99310702), (8, 49655351), (17, 23367224), (34, 11683612), (68, 5841806), (136, 2920903)]