138982415

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 202704768

約数和(自身を除く): 63722353

約数列:

[1, 5, 11, 13, 41, 55, 65, 121, 143, 205, 431, 451, 533, 605, 715, 1573, 2155, 2255, 2665, 4741, 4961, 5603, 5863, 7865, 17671, 23705, 24805, 28015, 29315, 52151, 61633, 64493, 88355, 194381, 229723, 260755, 308165, 322465, 677963, 971905, 1148615, 2138191, 2526953, 3389815, 10690955, 12634765, 27796483, 138982415]

約数ペア:

[(1, 138982415), (5, 27796483), (11, 12634765), (13, 10690955), (41, 3389815), (55, 2526953), (65, 2138191), (121, 1148615), (143, 971905), (205, 677963), (431, 322465), (451, 308165), (533, 260755), (605, 229723), (715, 194381), (1573, 88355), (2155, 64493), (2255, 61633), (2665, 52151), (4741, 29315), (4961, 28015), (5603, 24805), (5863, 23705), (7865, 17671)]