644500942

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{503}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 1015483392

約数和(自身を除く): 370982450

約数列:

[1, 2, 43, 47, 86, 94, 317, 503, 634, 1006, 2021, 4042, 13631, 14899, 21629, 23641, 27262, 29798, 43258, 47282, 159451, 318902, 640657, 1016563, 1281314, 2033126, 6856393, 7494197, 13712786, 14988394, 322250471, 644500942]

約数ペア:

[(1, 644500942), (2, 322250471), (43, 14988394), (47, 13712786), (86, 7494197), (94, 6856393), (317, 2033126), (503, 1281314), (634, 1016563), (1006, 640657), (2021, 318902), (4042, 159451), (13631, 47282), (14899, 43258), (21629, 29798), (23641, 27262)]