288087745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{673}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 388612224

約数和(自身を除く): 100524479

約数列:

[1, 5, 11, 43, 55, 181, 215, 473, 673, 905, 1991, 2365, 3365, 7403, 7783, 9955, 28939, 37015, 38915, 85613, 121813, 144695, 318329, 428065, 609065, 1339943, 1591645, 5237959, 6699715, 26189795, 57617549, 288087745]

約数ペア:

[(1, 288087745), (5, 57617549), (11, 26189795), (43, 6699715), (55, 5237959), (181, 1591645), (215, 1339943), (473, 609065), (673, 428065), (905, 318329), (1991, 144695), (2365, 121813), (3365, 85613), (7403, 38915), (7783, 37015), (9955, 28939)]