71820278

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{1801}}^1$

素因数の和:2087

約数の個数: 16

約数和(自身を含む): 109330944

約数和(自身を除く): 37510666

約数列:

[1, 2, 127, 157, 254, 314, 1801, 3602, 19939, 39878, 228727, 282757, 457454, 565514, 35910139, 71820278]

約数ペア:

[(1, 71820278), (2, 35910139), (127, 565514), (157, 457454), (254, 282757), (314, 228727), (1801, 39878), (3602, 19939)]