81007712

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:811

約数の個数: 48

約数和(自身を含む): 166182912

約数和(自身を除く): 85175200

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 127, 248, 254, 496, 508, 643, 992, 1016, 1286, 2032, 2572, 3937, 4064, 5144, 7874, 10288, 15748, 19933, 20576, 31496, 39866, 62992, 79732, 81661, 125984, 159464, 163322, 318928, 326644, 637856, 653288, 1306576, 2531491, 2613152, 5062982, 10125964, 20251928, 40503856, 81007712]

約数ペア:

[(1, 81007712), (2, 40503856), (4, 20251928), (8, 10125964), (16, 5062982), (31, 2613152), (32, 2531491), (62, 1306576), (124, 653288), (127, 637856), (248, 326644), (254, 318928), (496, 163322), (508, 159464), (643, 125984), (992, 81661), (1016, 79732), (1286, 62992), (2032, 39866), (2572, 31496), (3937, 20576), (4064, 19933), (5144, 15748), (7874, 10288)]