280052815

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{12721}}^1$

素因数の和:12787

約数の個数: 32

約数和(自身を含む): 417688704

約数和(自身を除く): 137635889

約数列:

[1, 5, 7, 17, 35, 37, 85, 119, 185, 259, 595, 629, 1295, 3145, 4403, 12721, 22015, 63605, 89047, 216257, 445235, 470677, 1081285, 1513799, 2353385, 3294739, 7568995, 8001509, 16473695, 40007545, 56010563, 280052815]

約数ペア:

[(1, 280052815), (5, 56010563), (7, 40007545), (17, 16473695), (35, 8001509), (37, 7568995), (85, 3294739), (119, 2353385), (185, 1513799), (259, 1081285), (595, 470677), (629, 445235), (1295, 216257), (3145, 89047), (4403, 63605), (12721, 22015)]