172643185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7789}}^1$

素因数の和:7849

約数の個数: 32

約数和(自身を含む): 251274240

約数和(自身を除く): 78631055

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 1705, 2015, 4433, 7789, 22165, 38945, 85679, 101257, 241459, 428395, 506285, 1113827, 1207295, 2656049, 3138967, 5569135, 13280245, 15694835, 34528637, 172643185]

約数ペア:

[(1, 172643185), (5, 34528637), (11, 15694835), (13, 13280245), (31, 5569135), (55, 3138967), (65, 2656049), (143, 1207295), (155, 1113827), (341, 506285), (403, 428395), (715, 241459), (1705, 101257), (2015, 85679), (4433, 38945), (7789, 22165)]