28513190

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{42557}}^1$

素因数の和:42631

約数の個数: 16

約数和(自身を含む): 52090992

約数和(自身を除く): 23577802

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 42557, 85114, 212785, 425570, 2851319, 5702638, 14256595, 28513190]

約数ペア:

[(1, 28513190), (2, 14256595), (5, 5702638), (10, 2851319), (67, 425570), (134, 212785), (335, 85114), (670, 42557)]