28231790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1453}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 53390880

約数和(自身を除く): 25159090

約数列:

[1, 2, 5, 10, 29, 58, 67, 134, 145, 290, 335, 670, 1453, 1943, 2906, 3886, 7265, 9715, 14530, 19430, 42137, 84274, 97351, 194702, 210685, 421370, 486755, 973510, 2823179, 5646358, 14115895, 28231790]

約数ペア:

[(1, 28231790), (2, 14115895), (5, 5646358), (10, 2823179), (29, 973510), (58, 486755), (67, 421370), (134, 210685), (145, 194702), (290, 97351), (335, 84274), (670, 42137), (1453, 19430), (1943, 14530), (2906, 9715), (3886, 7265)]