71408272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{343309}}^1$

素因数の和:343330

約数の個数: 20

約数和(自身を含む): 148996540

約数和(自身を除く): 77588268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 343309, 686618, 1373236, 2746472, 4463017, 5492944, 8926034, 17852068, 35704136, 71408272]

約数ペア:

[(1, 71408272), (2, 35704136), (4, 17852068), (8, 8926034), (13, 5492944), (16, 4463017), (26, 2746472), (52, 1373236), (104, 686618), (208, 343309)]