51801230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{398471}}^1$

素因数の和:398491

約数の個数: 16

約数和(自身を含む): 100414944

約数和(自身を除く): 48613714

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 398471, 796942, 1992355, 3984710, 5180123, 10360246, 25900615, 51801230]

約数ペア:

[(1, 51801230), (2, 25900615), (5, 10360246), (10, 5180123), (13, 3984710), (26, 1992355), (65, 796942), (130, 398471)]