13428890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43319}}^1$

素因数の和:43357

約数の個数: 16

約数和(自身を含む): 24952320

約数和(自身を除く): 11523430

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 43319, 86638, 216595, 433190, 1342889, 2685778, 6714445, 13428890]

約数ペア:

[(1, 13428890), (2, 6714445), (5, 2685778), (10, 1342889), (31, 433190), (62, 216595), (155, 86638), (310, 43319)]