207969510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{990331}}^1$

素因数の和:990348

約数の個数: 32

約数和(自身を含む): 570431232

約数和(自身を除く): 362461722

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 990331, 1980662, 2970993, 4951655, 5941986, 6932317, 9903310, 13864634, 14854965, 20796951, 29709930, 34661585, 41593902, 69323170, 103984755, 207969510]

約数ペア:

[(1, 207969510), (2, 103984755), (3, 69323170), (5, 41593902), (6, 34661585), (7, 29709930), (10, 20796951), (14, 14854965), (15, 13864634), (21, 9903310), (30, 6932317), (35, 5941986), (42, 4951655), (70, 2970993), (105, 1980662), (210, 990331)]