90999008

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 187908336

約数和(自身を除く): 96909328

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1312, 1376, 1613, 1763, 3226, 3526, 6452, 7052, 12904, 14104, 25808, 28208, 51616, 56416, 66133, 69359, 132266, 138718, 264532, 277436, 529064, 554872, 1058128, 1109744, 2116256, 2219488, 2843719, 5687438, 11374876, 22749752, 45499504, 90999008]

約数ペア:

[(1, 90999008), (2, 45499504), (4, 22749752), (8, 11374876), (16, 5687438), (32, 2843719), (41, 2219488), (43, 2116256), (82, 1109744), (86, 1058128), (164, 554872), (172, 529064), (328, 277436), (344, 264532), (656, 138718), (688, 132266), (1312, 69359), (1376, 66133), (1613, 56416), (1763, 51616), (3226, 28208), (3526, 25808), (6452, 14104), (7052, 12904)]