128512986

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{839}}^1$

素因数の和:1379

約数の個数: 48

約数和(自身を含む): 299920320

約数和(自身を除く): 171407334

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 521, 839, 1042, 1563, 1678, 2517, 3126, 3647, 5034, 5873, 7294, 10941, 11746, 17619, 21882, 25529, 35238, 41111, 51058, 76587, 82222, 123333, 153174, 246666, 437119, 874238, 1311357, 2622714, 3059833, 6119666, 9179499, 18358998, 21418831, 42837662, 64256493, 128512986]

約数ペア:

[(1, 128512986), (2, 64256493), (3, 42837662), (6, 21418831), (7, 18358998), (14, 9179499), (21, 6119666), (42, 3059833), (49, 2622714), (98, 1311357), (147, 874238), (294, 437119), (521, 246666), (839, 153174), (1042, 123333), (1563, 82222), (1678, 76587), (2517, 51058), (3126, 41111), (3647, 35238), (5034, 25529), (5873, 21882), (7294, 17619), (10941, 11746)]