664483295

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{32233}}^1$

素因数の和:32295

約数の個数: 32

約数和(自身を含む): 990228480

約数和(自身を除く): 325745185

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 20615, 32233, 161165, 225631, 612427, 999223, 1128155, 3062135, 4286989, 4996115, 6994561, 18985237, 21434945, 34972805, 94926185, 132896659, 664483295]

約数ペア:

[(1, 664483295), (5, 132896659), (7, 94926185), (19, 34972805), (31, 21434945), (35, 18985237), (95, 6994561), (133, 4996115), (155, 4286989), (217, 3062135), (589, 1128155), (665, 999223), (1085, 612427), (2945, 225631), (4123, 161165), (20615, 32233)]