1261897030

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1249403}}^1$

素因数の和:1249511

約数の個数: 16

約数和(自身を含む): 2293905744

約数和(自身を除く): 1032008714

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 1249403, 2498806, 6247015, 12494030, 126189703, 252379406, 630948515, 1261897030]

約数ペア:

[(1, 1261897030), (2, 630948515), (5, 252379406), (10, 126189703), (101, 12494030), (202, 6247015), (505, 2498806), (1010, 1249403)]