64541438

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{743}}^1$

素因数の和:1028

約数の個数: 24

約数和(自身を含む): 105381648

約数和(自身を除く): 40840210

約数列:

[1, 2, 13, 26, 169, 257, 338, 514, 743, 1486, 3341, 6682, 9659, 19318, 43433, 86866, 125567, 190951, 251134, 381902, 2482363, 4964726, 32270719, 64541438]

約数ペア:

[(1, 64541438), (2, 32270719), (13, 4964726), (26, 2482363), (169, 381902), (257, 251134), (338, 190951), (514, 125567), (743, 86866), (1486, 43433), (3341, 19318), (6682, 9659)]