28353227

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2887}}^1$

素因数の和:2978

約数の個数: 16

約数和(自身を含む): 34378752

約数和(自身を除く): 6025525

約数列:

[1, 7, 23, 61, 161, 427, 1403, 2887, 9821, 20209, 66401, 176107, 464807, 1232749, 4050461, 28353227]

約数ペア:

[(1, 28353227), (7, 4050461), (23, 1232749), (61, 464807), (161, 176107), (427, 66401), (1403, 20209), (2887, 9821)]