81101968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{298169}}^1$

素因数の和:298194

約数の個数: 20

約数和(自身を含む): 166378860

約数和(自身を除く): 85276892

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 298169, 596338, 1192676, 2385352, 4770704, 5068873, 10137746, 20275492, 40550984, 81101968]

約数ペア:

[(1, 81101968), (2, 40550984), (4, 20275492), (8, 10137746), (16, 5068873), (17, 4770704), (34, 2385352), (68, 1192676), (136, 596338), (272, 298169)]