208022945

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 280173600

約数和(自身を除く): 72150655

約数列:

[1, 5, 13, 29, 65, 145, 169, 377, 653, 845, 1885, 2197, 3265, 4901, 8489, 10985, 18937, 24505, 42445, 63713, 94685, 110357, 246181, 318565, 551785, 1230905, 1434641, 3200353, 7173205, 16001765, 41604589, 208022945]

約数ペア:

[(1, 208022945), (5, 41604589), (13, 16001765), (29, 7173205), (65, 3200353), (145, 1434641), (169, 1230905), (377, 551785), (653, 318565), (845, 246181), (1885, 110357), (2197, 94685), (3265, 63713), (4901, 42445), (8489, 24505), (10985, 18937)]