13181245

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 20651328

約数和(自身を除く): 7470083

約数列:

[1, 5, 7, 11, 35, 49, 55, 67, 73, 77, 245, 335, 365, 385, 469, 511, 539, 737, 803, 2345, 2555, 2695, 3283, 3577, 3685, 4015, 4891, 5159, 5621, 16415, 17885, 24455, 25795, 28105, 34237, 36113, 39347, 53801, 171185, 180565, 196735, 239659, 269005, 376607, 1198295, 1883035, 2636249, 13181245]

約数ペア:

[(1, 13181245), (5, 2636249), (7, 1883035), (11, 1198295), (35, 376607), (49, 269005), (55, 239659), (67, 196735), (73, 180565), (77, 171185), (245, 53801), (335, 39347), (365, 36113), (385, 34237), (469, 28105), (511, 25795), (539, 24455), (737, 17885), (803, 16415), (2345, 5621), (2555, 5159), (2695, 4891), (3283, 4015), (3577, 3685)]