259625982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{561961}}^1$

素因数の和:561984

約数の個数: 32

約数和(自身を含む): 647380224

約数和(自身を除く): 387754242

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 561961, 1123922, 1685883, 3371766, 3933727, 6181571, 7867454, 11801181, 12363142, 18544713, 23602362, 37089426, 43270997, 86541994, 129812991, 259625982]

約数ペア:

[(1, 259625982), (2, 129812991), (3, 86541994), (6, 43270997), (7, 37089426), (11, 23602362), (14, 18544713), (21, 12363142), (22, 11801181), (33, 7867454), (42, 6181571), (66, 3933727), (77, 3371766), (154, 1685883), (231, 1123922), (462, 561961)]