207907180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61511}}^1$

素因数の和:61546

約数の個数: 36

約数和(自身を含む): 472781232

約数和(自身を除く): 264874052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 61511, 123022, 246044, 307555, 615110, 799643, 1230220, 1599286, 3198572, 3998215, 7996430, 10395359, 15992860, 20790718, 41581436, 51976795, 103953590, 207907180]

約数ペア:

[(1, 207907180), (2, 103953590), (4, 51976795), (5, 41581436), (10, 20790718), (13, 15992860), (20, 10395359), (26, 7996430), (52, 3998215), (65, 3198572), (130, 1599286), (169, 1230220), (260, 799643), (338, 615110), (676, 307555), (845, 246044), (1690, 123022), (3380, 61511)]