81138176

素因数分解:

$2^9\times 7^1\times {\mathrm{22639}}^1$

素因数の和:22664

約数の個数: 40

約数和(自身を含む): 185285760

約数和(自身を除く): 104147584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 22639, 45278, 90556, 158473, 181112, 316946, 362224, 633892, 724448, 1267784, 1448896, 2535568, 2897792, 5071136, 5795584, 10142272, 11591168, 20284544, 40569088, 81138176]

約数ペア:

[(1, 81138176), (2, 40569088), (4, 20284544), (7, 11591168), (8, 10142272), (14, 5795584), (16, 5071136), (28, 2897792), (32, 2535568), (56, 1448896), (64, 1267784), (112, 724448), (128, 633892), (224, 362224), (256, 316946), (448, 181112), (512, 158473), (896, 90556), (1792, 45278), (3584, 22639)]