268507486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{991}}^1$

素因数の和:1636

約数の個数: 32

約数和(自身を含む): 460470528

約数和(自身を除く): 191963042

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 613, 991, 1226, 1982, 7969, 10421, 12883, 15938, 16847, 20842, 25766, 33694, 135473, 219011, 270946, 438022, 607483, 1214966, 7897279, 10327211, 15794558, 20654422, 134253743, 268507486]

約数ペア:

[(1, 268507486), (2, 134253743), (13, 20654422), (17, 15794558), (26, 10327211), (34, 7897279), (221, 1214966), (442, 607483), (613, 438022), (991, 270946), (1226, 219011), (1982, 135473), (7969, 33694), (10421, 25766), (12883, 20842), (15938, 16847)]