201531590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1550243}}^1$

素因数の和:1550263

約数の個数: 16

約数和(自身を含む): 390661488

約数和(自身を除く): 189129898

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1550243, 3100486, 7751215, 15502430, 20153159, 40306318, 100765795, 201531590]

約数ペア:

[(1, 201531590), (2, 100765795), (5, 40306318), (10, 20153159), (13, 15502430), (26, 7751215), (65, 3100486), (130, 1550243)]