28459487

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3761}}^1$

素因数の和:3838

約数の個数: 16

約数和(自身を含む): 34670592

約数和(自身を除く): 6211105

約数列:

[1, 7, 23, 47, 161, 329, 1081, 3761, 7567, 26327, 86503, 176767, 605521, 1237369, 4065641, 28459487]

約数ペア:

[(1, 28459487), (7, 4065641), (23, 1237369), (47, 605521), (161, 176767), (329, 86503), (1081, 26327), (3761, 7567)]