3987172

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 8033984

約数和(自身を除く): 4046812

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 907, 1099, 1814, 2198, 3628, 4396, 6349, 12698, 25396, 142399, 284798, 569596, 996793, 1993586, 3987172]

約数ペア:

[(1, 3987172), (2, 1993586), (4, 996793), (7, 569596), (14, 284798), (28, 142399), (157, 25396), (314, 12698), (628, 6349), (907, 4396), (1099, 3628), (1814, 2198)]