189709970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1115941}}^1$

素因数の和:1115965

約数の個数: 16

約数和(自身を含む): 361565208

約数和(自身を除く): 171855238

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1115941, 2231882, 5579705, 11159410, 18970997, 37941994, 94854985, 189709970]

約数ペア:

[(1, 189709970), (2, 94854985), (5, 37941994), (10, 18970997), (17, 11159410), (34, 5579705), (85, 2231882), (170, 1115941)]