27981716

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32237}}^1$

素因数の和:32279

約数の個数: 24

約数和(自身を含む): 57770496

約数和(自身を除く): 29788780

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 32237, 64474, 128948, 225659, 451318, 902636, 999347, 1998694, 3997388, 6995429, 13990858, 27981716]

約数ペア:

[(1, 27981716), (2, 13990858), (4, 6995429), (7, 3997388), (14, 1998694), (28, 999347), (31, 902636), (62, 451318), (124, 225659), (217, 128948), (434, 64474), (868, 32237)]