1242639218

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1\times {\mathrm{20029}}^1$

素因数の和:20561

約数の個数: 16

約数和(自身を含む): 1895959680

約数和(自身を除く): 653320462

約数列:

[1, 2, 67, 134, 463, 926, 20029, 31021, 40058, 62042, 1341943, 2683886, 9273427, 18546854, 621319609, 1242639218]

約数ペア:

[(1, 1242639218), (2, 621319609), (67, 18546854), (134, 9273427), (463, 2683886), (926, 1341943), (20029, 62042), (31021, 40058)]