28212002

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 52348800

約数和(自身を除く): 24136798

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 379, 409, 758, 818, 2653, 2863, 4927, 5306, 5317, 5726, 9854, 10634, 34489, 37219, 68978, 74438, 155011, 310022, 1085077, 2015143, 2170154, 4030286, 14106001, 28212002]

約数ペア:

[(1, 28212002), (2, 14106001), (7, 4030286), (13, 2170154), (14, 2015143), (26, 1085077), (91, 310022), (182, 155011), (379, 74438), (409, 68978), (758, 37219), (818, 34489), (2653, 10634), (2863, 9854), (4927, 5726), (5306, 5317)]