1311990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{433}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 3187296

約数和(自身を除く): 1875306

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 433, 505, 606, 866, 1010, 1299, 1515, 2165, 2598, 3030, 4330, 6495, 12990, 43733, 87466, 131199, 218665, 262398, 437330, 655995, 1311990]

約数ペア:

[(1, 1311990), (2, 655995), (3, 437330), (5, 262398), (6, 218665), (10, 131199), (15, 87466), (30, 43733), (101, 12990), (202, 6495), (303, 4330), (433, 3030), (505, 2598), (606, 2165), (866, 1515), (1010, 1299)]