43081168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{207121}}^1$

素因数の和:207142

約数の個数: 20

約数和(自身を含む): 89890948

約数和(自身を除く): 46809780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 207121, 414242, 828484, 1656968, 2692573, 3313936, 5385146, 10770292, 21540584, 43081168]

約数ペア:

[(1, 43081168), (2, 21540584), (4, 10770292), (8, 5385146), (13, 3313936), (16, 2692573), (26, 1656968), (52, 828484), (104, 414242), (208, 207121)]