217020112

素因数分解:

$2^4\times {\mathrm{2503}}^1\times {\mathrm{5419}}^1$

素因数の和:7930

約数の個数: 20

約数和(自身を含む): 420722080

約数和(自身を除く): 203701968

約数列:

[1, 2, 4, 8, 16, 2503, 5006, 5419, 10012, 10838, 20024, 21676, 40048, 43352, 86704, 13563757, 27127514, 54255028, 108510056, 217020112]

約数ペア:

[(1, 217020112), (2, 108510056), (4, 54255028), (8, 27127514), (16, 13563757), (2503, 86704), (5006, 43352), (5419, 40048), (10012, 21676), (10838, 20024)]