16499985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 27699840

約数和(自身を除く): 11199855

約数列:

[1, 3, 5, 15, 29, 83, 87, 145, 249, 415, 435, 457, 1245, 1371, 2285, 2407, 6855, 7221, 12035, 13253, 36105, 37931, 39759, 66265, 113793, 189655, 198795, 568965, 1099999, 3299997, 5499995, 16499985]

約数ペア:

[(1, 16499985), (3, 5499995), (5, 3299997), (15, 1099999), (29, 568965), (83, 198795), (87, 189655), (145, 113793), (249, 66265), (415, 39759), (435, 37931), (457, 36105), (1245, 13253), (1371, 12035), (2285, 7221), (2407, 6855)]