390809898

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{8221}}^1$

素因数の和:8387

約数の個数: 48

約数和(自身を含む): 897842400

約数和(自身を除く): 507032502

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 139, 171, 278, 342, 417, 834, 1251, 2502, 2641, 5282, 7923, 8221, 15846, 16442, 23769, 24663, 47538, 49326, 73989, 147978, 156199, 312398, 468597, 937194, 1142719, 1405791, 2285438, 2811582, 3428157, 6856314, 10284471, 20568942, 21711661, 43423322, 65134983, 130269966, 195404949, 390809898]

約数ペア:

[(1, 390809898), (2, 195404949), (3, 130269966), (6, 65134983), (9, 43423322), (18, 21711661), (19, 20568942), (38, 10284471), (57, 6856314), (114, 3428157), (139, 2811582), (171, 2285438), (278, 1405791), (342, 1142719), (417, 937194), (834, 468597), (1251, 312398), (2502, 156199), (2641, 147978), (5282, 73989), (7923, 49326), (8221, 47538), (15846, 24663), (16442, 23769)]