321609916

素因数分解:

$2^2\times {\mathrm{67}}^2\times {\mathrm{17911}}^1$

素因数の和:18049

約数の個数: 18

約数和(自身を含む): 571374888

約数和(自身を除く): 249764972

約数列:

[1, 2, 4, 67, 134, 268, 4489, 8978, 17911, 17956, 35822, 71644, 1200037, 2400074, 4800148, 80402479, 160804958, 321609916]

約数ペア:

[(1, 321609916), (2, 160804958), (4, 80402479), (67, 4800148), (134, 2400074), (268, 1200037), (4489, 71644), (8978, 35822), (17911, 17956)]