66808756

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{7927}}^1$

素因数の和:7988

約数の個数: 36

約数和(自身を含む): 139183968

約数和(自身を除く): 72375212

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 7927, 8428, 15854, 31708, 55489, 110978, 221956, 340861, 388423, 681722, 776846, 1363444, 1553692, 2386027, 4772054, 9544108, 16702189, 33404378, 66808756]

約数ペア:

[(1, 66808756), (2, 33404378), (4, 16702189), (7, 9544108), (14, 4772054), (28, 2386027), (43, 1553692), (49, 1363444), (86, 776846), (98, 681722), (172, 388423), (196, 340861), (301, 221956), (602, 110978), (1204, 55489), (2107, 31708), (4214, 15854), (7927, 8428)]