28220402

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{87641}}^1$

素因数の和:87673

約数の個数: 16

約数和(自身を含む): 50481792

約数和(自身を除く): 22261390

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 87641, 175282, 613487, 1226974, 2015743, 4031486, 14110201, 28220402]

約数ペア:

[(1, 28220402), (2, 14110201), (7, 4031486), (14, 2015743), (23, 1226974), (46, 613487), (161, 175282), (322, 87641)]