1288996898

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{130969}}^1$

素因数の和:131034

約数の個数: 32

約数和(自身を含む): 2388892800

約数和(自身を除く): 1099895902

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 4921, 9842, 130969, 261938, 916783, 1833566, 2488411, 4845853, 4976822, 9691706, 17418877, 33920971, 34837754, 67841942, 92071207, 184142414, 644498449, 1288996898]

約数ペア:

[(1, 1288996898), (2, 644498449), (7, 184142414), (14, 92071207), (19, 67841942), (37, 34837754), (38, 33920971), (74, 17418877), (133, 9691706), (259, 4976822), (266, 4845853), (518, 2488411), (703, 1833566), (1406, 916783), (4921, 261938), (9842, 130969)]