28185766

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{22621}}^1$

素因数の和:22719

約数の個数: 16

約数和(自身を含む): 48863520

約数和(自身を除く): 20677754

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 22621, 45242, 158347, 316694, 2013269, 4026538, 14092883, 28185766]

約数ペア:

[(1, 28185766), (2, 14092883), (7, 4026538), (14, 2013269), (89, 316694), (178, 158347), (623, 45242), (1246, 22621)]