142780535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 192326400

約数和(自身を除く): 49545865

約数列:

[1, 5, 17, 19, 85, 95, 211, 323, 419, 1055, 1615, 2095, 3587, 4009, 7123, 7961, 17935, 20045, 35615, 39805, 68153, 88409, 135337, 340765, 442045, 676685, 1502953, 1679771, 7514765, 8398855, 28556107, 142780535]

約数ペア:

[(1, 142780535), (5, 28556107), (17, 8398855), (19, 7514765), (85, 1679771), (95, 1502953), (211, 676685), (323, 442045), (419, 340765), (1055, 135337), (1615, 88409), (2095, 68153), (3587, 39805), (4009, 35615), (7123, 20045), (7961, 17935)]