81517465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{22303}}^1$

素因数の和:22368

約数の個数: 16

約数和(自身を含む): 105988608

約数和(自身を除く): 24471143

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 22303, 111515, 379151, 959029, 1895755, 4795145, 16303493, 81517465]

約数ペア:

[(1, 81517465), (5, 16303493), (17, 4795145), (43, 1895755), (85, 959029), (215, 379151), (731, 111515), (3655, 22303)]