28057309

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{761}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 33649920

約数和(自身を除く): 5592611

約数列:

[1, 7, 23, 161, 229, 761, 1603, 5267, 5327, 17503, 36869, 122521, 174269, 1219883, 4008187, 28057309]

約数ペア:

[(1, 28057309), (7, 4008187), (23, 1219883), (161, 174269), (229, 122521), (761, 36869), (1603, 17503), (5267, 5327)]