81315295

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1\times {\mathrm{509}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 99144000

約数和(自身を除く): 17828705

約数列:

[1, 5, 89, 359, 445, 509, 1795, 2545, 31951, 45301, 159755, 182731, 226505, 913655, 16263059, 81315295]

約数ペア:

[(1, 81315295), (5, 16263059), (89, 913655), (359, 226505), (445, 182731), (509, 159755), (1795, 45301), (2545, 31951)]