1991650

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:726

約数の個数: 24

約数和(自身を含む): 3770964

約数和(自身を除く): 1779314

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 653, 1306, 1525, 3050, 3265, 6530, 16325, 32650, 39833, 79666, 199165, 398330, 995825, 1991650]

約数ペア:

[(1, 1991650), (2, 995825), (5, 398330), (10, 199165), (25, 79666), (50, 39833), (61, 32650), (122, 16325), (305, 6530), (610, 3265), (653, 3050), (1306, 1525)]