209962084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{21089}}^1$

素因数の和:21243

約数の個数: 24

約数和(自身を含む): 389743200

約数和(自身を除く): 179781116

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 9956, 21089, 42178, 84356, 400691, 801382, 1602764, 2762659, 5525318, 11050636, 52490521, 104981042, 209962084]

約数ペア:

[(1, 209962084), (2, 104981042), (4, 52490521), (19, 11050636), (38, 5525318), (76, 2762659), (131, 1602764), (262, 801382), (524, 400691), (2489, 84356), (4978, 42178), (9956, 21089)]