31012670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1249}}^1$

素因数の和:1460

約数の個数: 32

約数和(自身を含む): 60480000

約数和(自身を除く): 29467330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 191, 382, 955, 1249, 1910, 2483, 2498, 4966, 6245, 12415, 12490, 16237, 24830, 32474, 81185, 162370, 238559, 477118, 1192795, 2385590, 3101267, 6202534, 15506335, 31012670]

約数ペア:

[(1, 31012670), (2, 15506335), (5, 6202534), (10, 3101267), (13, 2385590), (26, 1192795), (65, 477118), (130, 238559), (191, 162370), (382, 81185), (955, 32474), (1249, 24830), (1910, 16237), (2483, 12490), (2498, 12415), (4966, 6245)]