181431964

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4861}}^1$

素因数の和:4946

約数の個数: 48

約数和(自身を含む): 383358976

約数和(自身を除く): 201927012

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 86, 124, 172, 217, 301, 434, 602, 868, 1204, 1333, 2666, 4861, 5332, 9331, 9722, 18662, 19444, 34027, 37324, 68054, 136108, 150691, 209023, 301382, 418046, 602764, 836092, 1054837, 1463161, 2109674, 2926322, 4219348, 5852644, 6479713, 12959426, 25918852, 45357991, 90715982, 181431964]

約数ペア:

[(1, 181431964), (2, 90715982), (4, 45357991), (7, 25918852), (14, 12959426), (28, 6479713), (31, 5852644), (43, 4219348), (62, 2926322), (86, 2109674), (124, 1463161), (172, 1054837), (217, 836092), (301, 602764), (434, 418046), (602, 301382), (868, 209023), (1204, 150691), (1333, 136108), (2666, 68054), (4861, 37324), (5332, 34027), (9331, 19444), (9722, 18662)]