1291213432

素因数分解:

$2^3\times {\mathrm{8231}}^1\times {\mathrm{19609}}^1$

素因数の和:27846

約数の個数: 16

約数和(自身を含む): 2421442800

約数和(自身を除く): 1130229368

約数列:

[1, 2, 4, 8, 8231, 16462, 19609, 32924, 39218, 65848, 78436, 156872, 161401679, 322803358, 645606716, 1291213432]

約数ペア:

[(1, 1291213432), (2, 645606716), (4, 322803358), (8, 161401679), (8231, 156872), (16462, 78436), (19609, 65848), (32924, 39218)]