28527751

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 36689760

約数和(自身を除く): 8162009

約数列:

[1, 7, 17, 23, 49, 119, 161, 391, 833, 1127, 1489, 2737, 10423, 19159, 25313, 34247, 72961, 177191, 239729, 582199, 1240337, 1678103, 4075393, 28527751]

約数ペア:

[(1, 28527751), (7, 4075393), (17, 1678103), (23, 1240337), (49, 582199), (119, 239729), (161, 177191), (391, 72961), (833, 34247), (1127, 25313), (1489, 19159), (2737, 10423)]