4991491765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1\times {\mathrm{2521}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 6548645376

約数和(自身を除く): 1557153611

約数列:

[1, 5, 13, 65, 83, 367, 415, 1079, 1835, 2521, 4771, 5395, 12605, 23855, 30461, 32773, 152305, 163865, 209243, 395993, 925207, 1046215, 1979965, 2720159, 4626035, 12027691, 13600795, 60138455, 76792181, 383960905, 998298353, 4991491765]

約数ペア:

[(1, 4991491765), (5, 998298353), (13, 383960905), (65, 76792181), (83, 60138455), (367, 13600795), (415, 12027691), (1079, 4626035), (1835, 2720159), (2521, 1979965), (4771, 1046215), (5395, 925207), (12605, 395993), (23855, 209243), (30461, 163865), (32773, 152305)]