520057209

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 872939520

約数和(自身を除く): 352882311

約数列:

[1, 3, 7, 21, 23, 31, 47, 69, 93, 141, 161, 217, 329, 483, 651, 713, 739, 987, 1081, 1457, 2139, 2217, 3243, 4371, 4991, 5173, 7567, 10199, 14973, 15519, 16997, 22701, 22909, 30597, 33511, 34733, 50991, 68727, 100533, 104199, 118979, 160363, 234577, 243131, 356937, 481089, 526907, 703731, 729393, 798859, 1076723, 1580721, 2396577, 3230169, 3688349, 5592013, 7537061, 11065047, 16776039, 22611183, 24764629, 74293887, 173352403, 520057209]

約数ペア:

[(1, 520057209), (3, 173352403), (7, 74293887), (21, 24764629), (23, 22611183), (31, 16776039), (47, 11065047), (69, 7537061), (93, 5592013), (141, 3688349), (161, 3230169), (217, 2396577), (329, 1580721), (483, 1076723), (651, 798859), (713, 729393), (739, 703731), (987, 526907), (1081, 481089), (1457, 356937), (2139, 243131), (2217, 234577), (3243, 160363), (4371, 118979), (4991, 104199), (5173, 100533), (7567, 68727), (10199, 50991), (14973, 34733), (15519, 33511), (16997, 30597), (22701, 22909)]