217870172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{5179}}^1$

素因数の和:6005

約数の個数: 24

約数和(自身を含む): 411188400

約数和(自身を除く): 193318228

約数列:

[1, 2, 4, 13, 26, 52, 809, 1618, 3236, 5179, 10358, 10517, 20716, 21034, 42068, 67327, 134654, 269308, 4189811, 8379622, 16759244, 54467543, 108935086, 217870172]

約数ペア:

[(1, 217870172), (2, 108935086), (4, 54467543), (13, 16759244), (26, 8379622), (52, 4189811), (809, 269308), (1618, 134654), (3236, 67327), (5179, 42068), (10358, 21034), (10517, 20716)]