80971906

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1\times {\mathrm{523}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 122616000

約数和(自身を除く): 41644094

約数列:

[1, 2, 199, 389, 398, 523, 778, 1046, 77411, 104077, 154822, 203447, 208154, 406894, 40485953, 80971906]

約数ペア:

[(1, 80971906), (2, 40485953), (199, 406894), (389, 208154), (398, 203447), (523, 154822), (778, 104077), (1046, 77411)]