30981905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{937}}^1$

素因数の和:1348

約数の個数: 16

約数和(自身を含む): 39508560

約数和(自身を除く): 8526655

約数列:

[1, 5, 17, 85, 389, 937, 1945, 4685, 6613, 15929, 33065, 79645, 364493, 1822465, 6196381, 30981905]

約数ペア:

[(1, 30981905), (5, 6196381), (17, 1822465), (85, 364493), (389, 79645), (937, 33065), (1945, 15929), (4685, 6613)]