320398754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{138461}}^1$

素因数の和:138565

約数の個数: 16

約数和(自身を含む): 523386360

約数和(自身を除く): 202987606

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 138461, 276922, 1799993, 3599986, 12323029, 24646058, 160199377, 320398754]

約数ペア:

[(1, 320398754), (2, 160199377), (13, 24646058), (26, 12323029), (89, 3599986), (178, 1799993), (1157, 276922), (2314, 138461)]