28151590

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 52410240

約数和(自身を除く): 24258650

約数列:

[1, 2, 5, 10, 47, 89, 94, 178, 235, 445, 470, 673, 890, 1346, 3365, 4183, 6730, 8366, 20915, 31631, 41830, 59897, 63262, 119794, 158155, 299485, 316310, 598970, 2815159, 5630318, 14075795, 28151590]

約数ペア:

[(1, 28151590), (2, 14075795), (5, 5630318), (10, 2815159), (47, 598970), (89, 316310), (94, 299485), (178, 158155), (235, 119794), (445, 63262), (470, 59897), (673, 41830), (890, 31631), (1346, 20915), (3365, 8366), (4183, 6730)]