28037471

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21419}}^1$

素因数の和:21454

約数の個数: 16

約数和(自身を含む): 37013760

約数和(自身を除く): 8976289

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 21419, 149933, 235609, 364123, 1649263, 2548861, 4005353, 28037471]

約数ペア:

[(1, 28037471), (7, 4005353), (11, 2548861), (17, 1649263), (77, 364123), (119, 235609), (187, 149933), (1309, 21419)]