211370989

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 232790976

約数和(自身を除く): 21419987

約数列:

[1, 23, 31, 73, 131, 713, 961, 1679, 2263, 3013, 4061, 9563, 22103, 52049, 70153, 93403, 125891, 219949, 296453, 1613519, 2895493, 6818419, 9190043, 211370989]

約数ペア:

[(1, 211370989), (23, 9190043), (31, 6818419), (73, 2895493), (131, 1613519), (713, 296453), (961, 219949), (1679, 125891), (2263, 93403), (3013, 70153), (4061, 52049), (9563, 22103)]