219901970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1293541}}^1$

素因数の和:1293565

約数の個数: 16

約数和(自身を含む): 419107608

約数和(自身を除く): 199205638

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1293541, 2587082, 6467705, 12935410, 21990197, 43980394, 109950985, 219901970]

約数ペア:

[(1, 219901970), (2, 109950985), (5, 43980394), (10, 21990197), (17, 12935410), (34, 6467705), (85, 2587082), (170, 1293541)]