128411645

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 167311872

約数和(自身を除く): 38900227

約数列:

[1, 5, 23, 37, 103, 115, 185, 293, 515, 851, 1465, 2369, 3811, 4255, 6739, 10841, 11845, 19055, 30179, 33695, 54205, 87653, 150895, 249343, 438265, 694117, 1116623, 1246715, 3470585, 5583115, 25682329, 128411645]

約数ペア:

[(1, 128411645), (5, 25682329), (23, 5583115), (37, 3470585), (103, 1246715), (115, 1116623), (185, 694117), (293, 438265), (515, 249343), (851, 150895), (1465, 87653), (2369, 54205), (3811, 33695), (4255, 30179), (6739, 19055), (10841, 11845)]