402009965

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 598067712

約数和(自身を除く): 196057747

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 263, 367, 595, 833, 1315, 1835, 1841, 2569, 4165, 4471, 6239, 9205, 12845, 12887, 17983, 22355, 31195, 31297, 43673, 64435, 89915, 96521, 156485, 218365, 219079, 305711, 482605, 675647, 1095395, 1528555, 1640857, 3378235, 4729529, 8204285, 11485999, 23647645, 57429995, 80401993, 402009965]

約数ペア:

[(1, 402009965), (5, 80401993), (7, 57429995), (17, 23647645), (35, 11485999), (49, 8204285), (85, 4729529), (119, 3378235), (245, 1640857), (263, 1528555), (367, 1095395), (595, 675647), (833, 482605), (1315, 305711), (1835, 219079), (1841, 218365), (2569, 156485), (4165, 96521), (4471, 89915), (6239, 64435), (9205, 43673), (12845, 31297), (12887, 31195), (17983, 22355)]