256739248

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 554964480

約数和(自身を除く): 298225232

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 73, 76, 92, 146, 152, 184, 292, 304, 368, 437, 503, 584, 874, 1006, 1168, 1387, 1679, 1748, 2012, 2774, 3358, 3496, 4024, 5548, 6716, 6992, 8048, 9557, 11096, 11569, 13432, 19114, 22192, 23138, 26864, 31901, 36719, 38228, 46276, 63802, 73438, 76456, 92552, 127604, 146876, 152912, 185104, 219811, 255208, 293752, 439622, 510416, 587504, 697661, 844537, 879244, 1395322, 1689074, 1758488, 2790644, 3378148, 3516976, 5581288, 6756296, 11162576, 13512592, 16046203, 32092406, 64184812, 128369624, 256739248]

約数ペア:

[(1, 256739248), (2, 128369624), (4, 64184812), (8, 32092406), (16, 16046203), (19, 13512592), (23, 11162576), (38, 6756296), (46, 5581288), (73, 3516976), (76, 3378148), (92, 2790644), (146, 1758488), (152, 1689074), (184, 1395322), (292, 879244), (304, 844537), (368, 697661), (437, 587504), (503, 510416), (584, 439622), (874, 293752), (1006, 255208), (1168, 219811), (1387, 185104), (1679, 152912), (1748, 146876), (2012, 127604), (2774, 92552), (3358, 76456), (3496, 73438), (4024, 63802), (5548, 46276), (6716, 38228), (6992, 36719), (8048, 31901), (9557, 26864), (11096, 23138), (11569, 22192), (13432, 19114)]