220784312

素因数分解:

$2^3\times 7^1\times {\mathrm{3942577}}^1$

素因数の和:3942590

約数の個数: 16

約数和(自身を含む): 473109360

約数和(自身を除く): 252325048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3942577, 7885154, 15770308, 27598039, 31540616, 55196078, 110392156, 220784312]

約数ペア:

[(1, 220784312), (2, 110392156), (4, 55196078), (7, 31540616), (8, 27598039), (14, 15770308), (28, 7885154), (56, 3942577)]