28157219

素因数分解:

${\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 2687581

約数列:

[1, 17, 59, 67, 419, 1003, 1139, 3953, 7123, 24721, 28073, 67201, 420257, 477241, 1656307, 28157219]

約数ペア:

[(1, 28157219), (17, 1656307), (59, 477241), (67, 420257), (419, 67201), (1003, 28073), (1139, 24721), (3953, 7123)]