66716216

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{38431}}^1$

素因数の和:38475

約数の個数: 32

約数和(自身を含む): 147578880

約数和(自身を除く): 80862664

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 38431, 76862, 153724, 269017, 307448, 538034, 1076068, 1191361, 2152136, 2382722, 4765444, 8339527, 9530888, 16679054, 33358108, 66716216]

約数ペア:

[(1, 66716216), (2, 33358108), (4, 16679054), (7, 9530888), (8, 8339527), (14, 4765444), (28, 2382722), (31, 2152136), (56, 1191361), (62, 1076068), (124, 538034), (217, 307448), (248, 269017), (434, 153724), (868, 76862), (1736, 38431)]