1981858753

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{433}}^1\times {\mathrm{3221}}^1$

素因数の和:3697

約数の個数: 24

約数和(自身を含む): 2391175080

約数和(自身を除く): 409316327

約数列:

[1, 7, 29, 49, 203, 433, 1421, 3031, 3221, 12557, 21217, 22547, 87899, 93409, 157829, 615293, 653863, 1394693, 4577041, 9762851, 40446097, 68339957, 283122679, 1981858753]

約数ペア:

[(1, 1981858753), (7, 283122679), (29, 68339957), (49, 40446097), (203, 9762851), (433, 4577041), (1421, 1394693), (3031, 653863), (3221, 615293), (12557, 157829), (21217, 93409), (22547, 87899)]