640938229

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1\times {\mathrm{853}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 686206080

約数和(自身を除く): 45267851

約数列:

[1, 19, 71, 557, 853, 1349, 10583, 16207, 39547, 60563, 475121, 751393, 1150697, 9027299, 33733591, 640938229]

約数ペア:

[(1, 640938229), (19, 33733591), (71, 9027299), (557, 1150697), (853, 751393), (1349, 475121), (10583, 60563), (16207, 39547)]