209909438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{1249}}^1\times {\mathrm{4943}}^1$

素因数の和:6211

約数の個数: 16

約数和(自身を含む): 333720000

約数和(自身を除く): 123810562

約数列:

[1, 2, 17, 34, 1249, 2498, 4943, 9886, 21233, 42466, 84031, 168062, 6173807, 12347614, 104954719, 209909438]

約数ペア:

[(1, 209909438), (2, 104954719), (17, 12347614), (34, 6173807), (1249, 168062), (2498, 84031), (4943, 42466), (9886, 21233)]