81931754

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{4463}}^1$

素因数の和:4669

約数の個数: 16

約数和(自身を含む): 125670528

約数和(自身を除く): 43738774

約数列:

[1, 2, 67, 134, 137, 274, 4463, 8926, 9179, 18358, 299021, 598042, 611431, 1222862, 40965877, 81931754]

約数ペア:

[(1, 81931754), (2, 40965877), (67, 1222862), (134, 611431), (137, 598042), (274, 299021), (4463, 18358), (8926, 9179)]