28439306

素因数分解:

$2^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1094

約数の個数: 24

約数和(自身を含む): 49808196

約数和(自身を除く): 21368890

約数列:

[1, 2, 7, 14, 49, 98, 521, 557, 1042, 1114, 3647, 3899, 7294, 7798, 25529, 27293, 51058, 54586, 290197, 580394, 2031379, 4062758, 14219653, 28439306]

約数ペア:

[(1, 28439306), (2, 14219653), (7, 4062758), (14, 2031379), (49, 580394), (98, 290197), (521, 54586), (557, 51058), (1042, 27293), (1114, 25529), (3647, 7798), (3899, 7294)]