399418247

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{42641}}^1$

素因数の和:42706

約数の個数: 16

約数和(自身を含む): 460533600

約数和(自身を除く): 61115353

約数列:

[1, 17, 19, 29, 323, 493, 551, 9367, 42641, 724897, 810179, 1236589, 13773043, 21022013, 23495191, 399418247]

約数ペア:

[(1, 399418247), (17, 23495191), (19, 21022013), (29, 13773043), (323, 1236589), (493, 810179), (551, 724897), (9367, 42641)]