641520215

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{1447}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 900771840

約数和(自身を除く): 259251625

約数列:

[1, 5, 7, 35, 53, 239, 265, 371, 1195, 1447, 1673, 1855, 7235, 8365, 10129, 12667, 50645, 63335, 76691, 88669, 345833, 383455, 443345, 536837, 1729165, 2420831, 2684185, 12104155, 18329149, 91645745, 128304043, 641520215]

約数ペア:

[(1, 641520215), (5, 128304043), (7, 91645745), (35, 18329149), (53, 12104155), (239, 2684185), (265, 2420831), (371, 1729165), (1195, 536837), (1447, 443345), (1673, 383455), (1855, 345833), (7235, 88669), (8365, 76691), (10129, 63335), (12667, 50645)]