8991278408

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{487}}^1\times {\mathrm{751}}^1$

素因数の和:1690

約数の個数: 64

約数和(自身を含む): 19376332800

約数和(自身を除く): 10385054392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 487, 751, 878, 974, 1502, 1756, 1948, 3004, 3073, 3409, 3512, 3896, 5257, 6008, 6146, 6818, 10514, 12292, 13636, 21028, 24584, 27272, 42056, 213793, 329689, 365737, 427586, 659378, 731474, 855172, 1318756, 1462948, 1496551, 1710344, 2307823, 2560159, 2637512, 2925896, 2993102, 4615646, 5120318, 5986204, 9231292, 10240636, 11972408, 18462584, 20481272, 160558543, 321117086, 642234172, 1123909801, 1284468344, 2247819602, 4495639204, 8991278408]

約数ペア:

[(1, 8991278408), (2, 4495639204), (4, 2247819602), (7, 1284468344), (8, 1123909801), (14, 642234172), (28, 321117086), (56, 160558543), (439, 20481272), (487, 18462584), (751, 11972408), (878, 10240636), (974, 9231292), (1502, 5986204), (1756, 5120318), (1948, 4615646), (3004, 2993102), (3073, 2925896), (3409, 2637512), (3512, 2560159), (3896, 2307823), (5257, 1710344), (6008, 1496551), (6146, 1462948), (6818, 1318756), (10514, 855172), (12292, 731474), (13636, 659378), (21028, 427586), (24584, 365737), (27272, 329689), (42056, 213793)]