219228908

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{1301}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 388620960

約数和(自身を除く): 169392052

約数列:

[1, 2, 4, 103, 206, 409, 412, 818, 1301, 1636, 2602, 5204, 42127, 84254, 134003, 168508, 268006, 532109, 536012, 1064218, 2128436, 54807227, 109614454, 219228908]

約数ペア:

[(1, 219228908), (2, 109614454), (4, 54807227), (103, 2128436), (206, 1064218), (409, 536012), (412, 532109), (818, 268006), (1301, 168508), (1636, 134003), (2602, 84254), (5204, 42127)]