181449968

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{22193}}^1$

素因数の和:22281

約数の個数: 40

約数和(自身を含む): 407304288

約数和(自身を除く): 225854320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 4088, 8176, 22193, 44386, 88772, 155351, 177544, 310702, 355088, 621404, 1242808, 1620089, 2485616, 3240178, 6480356, 11340623, 12960712, 22681246, 25921424, 45362492, 90724984, 181449968]

約数ペア:

[(1, 181449968), (2, 90724984), (4, 45362492), (7, 25921424), (8, 22681246), (14, 12960712), (16, 11340623), (28, 6480356), (56, 3240178), (73, 2485616), (112, 1620089), (146, 1242808), (292, 621404), (511, 355088), (584, 310702), (1022, 177544), (1168, 155351), (2044, 88772), (4088, 44386), (8176, 22193)]