191728745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 256048128

約数和(自身を除く): 64319383

約数列:

[1, 5, 13, 47, 65, 97, 235, 485, 611, 647, 1261, 3055, 3235, 4559, 6305, 8411, 22795, 30409, 42055, 59267, 62759, 152045, 296335, 313795, 395317, 815867, 1976585, 2949673, 4079335, 14748365, 38345749, 191728745]

約数ペア:

[(1, 191728745), (5, 38345749), (13, 14748365), (47, 4079335), (65, 2949673), (97, 1976585), (235, 815867), (485, 395317), (611, 313795), (647, 296335), (1261, 152045), (3055, 62759), (3235, 59267), (4559, 42055), (6305, 30409), (8411, 22795)]