209520112

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{31253}}^1$

素因数の和:31680

約数の個数: 20

約数和(自身を含む): 406927080

約数和(自身を除く): 197406968

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3352, 6704, 31253, 62506, 125012, 250024, 500048, 13095007, 26190014, 52380028, 104760056, 209520112]

約数ペア:

[(1, 209520112), (2, 104760056), (4, 52380028), (8, 26190014), (16, 13095007), (419, 500048), (838, 250024), (1676, 125012), (3352, 62506), (6704, 31253)]