128678545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{13411}}^1$

素因数の和:13536

約数の個数: 16

約数和(自身を含む): 164162880

約数和(自身を除く): 35484335

約数列:

[1, 5, 19, 95, 101, 505, 1919, 9595, 13411, 67055, 254809, 1274045, 1354511, 6772555, 25735709, 128678545]

約数ペア:

[(1, 128678545), (5, 25735709), (19, 6772555), (95, 1354511), (101, 1274045), (505, 254809), (1919, 67055), (9595, 13411)]