13688780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97777}}^1$

素因数の和:97793

約数の個数: 24

約数和(自身を含む): 32853408

約数和(自身を除く): 19164628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 97777, 195554, 391108, 488885, 684439, 977770, 1368878, 1955540, 2737756, 3422195, 6844390, 13688780]

約数ペア:

[(1, 13688780), (2, 6844390), (4, 3422195), (5, 2737756), (7, 1955540), (10, 1368878), (14, 977770), (20, 684439), (28, 488885), (35, 391108), (70, 195554), (140, 97777)]