281977072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1355659}}^1$

素因数の和:1355680

約数の個数: 20

約数和(自身を含む): 588356440

約数和(自身を除く): 306379368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1355659, 2711318, 5422636, 10845272, 17623567, 21690544, 35247134, 70494268, 140988536, 281977072]

約数ペア:

[(1, 281977072), (2, 140988536), (4, 70494268), (8, 35247134), (13, 21690544), (16, 17623567), (26, 10845272), (52, 5422636), (104, 2711318), (208, 1355659)]