128248336

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1111

約数の個数: 40

約数和(自身を含む): 255340800

約数和(自身を除く): 127092464

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 199, 376, 398, 752, 796, 857, 1592, 1714, 3184, 3428, 6856, 9353, 13712, 18706, 37412, 40279, 74824, 80558, 149648, 161116, 170543, 322232, 341086, 644464, 682172, 1364344, 2728688, 8015521, 16031042, 32062084, 64124168, 128248336]

約数ペア:

[(1, 128248336), (2, 64124168), (4, 32062084), (8, 16031042), (16, 8015521), (47, 2728688), (94, 1364344), (188, 682172), (199, 644464), (376, 341086), (398, 322232), (752, 170543), (796, 161116), (857, 149648), (1592, 80558), (1714, 74824), (3184, 40279), (3428, 37412), (6856, 18706), (9353, 13712)]