1279863008

素因数分解:

$2^5\times {\mathrm{43}}^2\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 72

約数和(自身を含む): 2617973568

約数和(自身を除く): 1338110560

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 97, 172, 194, 223, 344, 388, 446, 688, 776, 892, 1376, 1552, 1784, 1849, 3104, 3568, 3698, 4171, 7136, 7396, 8342, 9589, 14792, 16684, 19178, 21631, 29584, 33368, 38356, 43262, 59168, 66736, 76712, 86524, 133472, 153424, 173048, 179353, 306848, 346096, 358706, 412327, 692192, 717412, 824654, 930133, 1434824, 1649308, 1860266, 2869648, 3298616, 3720532, 5739296, 6597232, 7441064, 13194464, 14882128, 29764256, 39995719, 79991438, 159982876, 319965752, 639931504, 1279863008]

約数ペア:

[(1, 1279863008), (2, 639931504), (4, 319965752), (8, 159982876), (16, 79991438), (32, 39995719), (43, 29764256), (86, 14882128), (97, 13194464), (172, 7441064), (194, 6597232), (223, 5739296), (344, 3720532), (388, 3298616), (446, 2869648), (688, 1860266), (776, 1649308), (892, 1434824), (1376, 930133), (1552, 824654), (1784, 717412), (1849, 692192), (3104, 412327), (3568, 358706), (3698, 346096), (4171, 306848), (7136, 179353), (7396, 173048), (8342, 153424), (9589, 133472), (14792, 86524), (16684, 76712), (19178, 66736), (21631, 59168), (29584, 43262), (33368, 38356)]