28217410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217057}}^1$

素因数の和:217077

約数の個数: 16

約数和(自身を含む): 54698616

約数和(自身を除く): 26481206

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217057, 434114, 1085285, 2170570, 2821741, 5643482, 14108705, 28217410]

約数ペア:

[(1, 28217410), (2, 14108705), (5, 5643482), (10, 2821741), (13, 2170570), (26, 1085285), (65, 434114), (130, 217057)]