64997530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13513}}^1$

素因数の和:13570

約数の個数: 32

約数和(自身を含む): 129410064

約数和(自身を除く): 64412534

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 13513, 27026, 67565, 135130, 175669, 351338, 499981, 878345, 999962, 1756690, 2499905, 4999810, 6499753, 12999506, 32498765, 64997530]

約数ペア:

[(1, 64997530), (2, 32498765), (5, 12999506), (10, 6499753), (13, 4999810), (26, 2499905), (37, 1756690), (65, 999962), (74, 878345), (130, 499981), (185, 351338), (370, 175669), (481, 135130), (962, 67565), (2405, 27026), (4810, 13513)]