321157712

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{2579}}^1$

素因数の和:2811

約数の個数: 40

約数和(自身を含む): 640479840

約数和(自身を除く): 319322128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 181, 344, 362, 688, 724, 1448, 2579, 2896, 5158, 7783, 10316, 15566, 20632, 31132, 41264, 62264, 110897, 124528, 221794, 443588, 466799, 887176, 933598, 1774352, 1867196, 3734392, 7468784, 20072357, 40144714, 80289428, 160578856, 321157712]

約数ペア:

[(1, 321157712), (2, 160578856), (4, 80289428), (8, 40144714), (16, 20072357), (43, 7468784), (86, 3734392), (172, 1867196), (181, 1774352), (344, 933598), (362, 887176), (688, 466799), (724, 443588), (1448, 221794), (2579, 124528), (2896, 110897), (5158, 62264), (7783, 41264), (10316, 31132), (15566, 20632)]