389804975

素因数分解:

$5^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{4259}}^1$

素因数の和:4799

約数の個数: 24

約数和(自身を含む): 553595520

約数和(自身を除く): 163790545

約数列:

[1, 5, 7, 25, 35, 175, 523, 2615, 3661, 4259, 13075, 18305, 21295, 29813, 91525, 106475, 149065, 745325, 2227457, 11137285, 15592199, 55686425, 77960995, 389804975]

約数ペア:

[(1, 389804975), (5, 77960995), (7, 55686425), (25, 15592199), (35, 11137285), (175, 2227457), (523, 745325), (2615, 149065), (3661, 106475), (4259, 91525), (13075, 29813), (18305, 21295)]