256745918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1697}}^1$

素因数の和:1769

約数の個数: 48

約数和(自身を含む): 473252976

約数和(自身を除く): 216507058

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 143, 253, 286, 299, 506, 529, 598, 1058, 1697, 3289, 3394, 5819, 6578, 6877, 11638, 13754, 18667, 22061, 37334, 39031, 44122, 75647, 78062, 151294, 242671, 429341, 485342, 507403, 858682, 897713, 1014806, 1795426, 5581433, 9874843, 11162866, 11670269, 19749686, 23340538, 128372959, 256745918]

約数ペア:

[(1, 256745918), (2, 128372959), (11, 23340538), (13, 19749686), (22, 11670269), (23, 11162866), (26, 9874843), (46, 5581433), (143, 1795426), (253, 1014806), (286, 897713), (299, 858682), (506, 507403), (529, 485342), (598, 429341), (1058, 242671), (1697, 151294), (3289, 78062), (3394, 75647), (5819, 44122), (6578, 39031), (6877, 37334), (11638, 22061), (13754, 18667)]