71663816

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41281}}^1$

素因数の和:41325

約数の個数: 32

約数和(自身を含む): 158522880

約数和(自身を除く): 86859064

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 41281, 82562, 165124, 288967, 330248, 577934, 1155868, 1279711, 2311736, 2559422, 5118844, 8957977, 10237688, 17915954, 35831908, 71663816]

約数ペア:

[(1, 71663816), (2, 35831908), (4, 17915954), (7, 10237688), (8, 8957977), (14, 5118844), (28, 2559422), (31, 2311736), (56, 1279711), (62, 1155868), (124, 577934), (217, 330248), (248, 288967), (434, 165124), (868, 82562), (1736, 41281)]