209939308

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{37409}}^1$

素因数の和:37497

約数の個数: 24

約数和(自身を含む): 389662560

約数和(自身を除く): 179723252

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 1403, 2806, 5612, 37409, 74818, 149636, 860407, 1720814, 2281949, 3441628, 4563898, 9127796, 52484827, 104969654, 209939308]

約数ペア:

[(1, 209939308), (2, 104969654), (4, 52484827), (23, 9127796), (46, 4563898), (61, 3441628), (92, 2281949), (122, 1720814), (244, 860407), (1403, 149636), (2806, 74818), (5612, 37409)]