66213808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 132324368

約数和(自身を除く): 66110560

約数列:

[1, 2, 4, 8, 16, 43, 86, 157, 172, 314, 344, 613, 628, 688, 1226, 1256, 2452, 2512, 4904, 6751, 9808, 13502, 26359, 27004, 52718, 54008, 96241, 105436, 108016, 192482, 210872, 384964, 421744, 769928, 1539856, 4138363, 8276726, 16553452, 33106904, 66213808]

約数ペア:

[(1, 66213808), (2, 33106904), (4, 16553452), (8, 8276726), (16, 4138363), (43, 1539856), (86, 769928), (157, 421744), (172, 384964), (314, 210872), (344, 192482), (613, 108016), (628, 105436), (688, 96241), (1226, 54008), (1256, 52718), (2452, 27004), (2512, 26359), (4904, 13502), (6751, 9808)]