81623164

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{153427}}^1$

素因数の和:153457

約数の個数: 24

約数和(自身を含む): 171839360

約数和(自身を除く): 90216196

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 153427, 306854, 613708, 1073989, 2147978, 2915113, 4295956, 5830226, 11660452, 20405791, 40811582, 81623164]

約数ペア:

[(1, 81623164), (2, 40811582), (4, 20405791), (7, 11660452), (14, 5830226), (19, 4295956), (28, 2915113), (38, 2147978), (76, 1073989), (133, 613708), (266, 306854), (532, 153427)]