81764608

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{10303}}^1$

素因数の和:10350

約数の個数: 36

約数和(自身を含む): 168491008

約数和(自身を除く): 86726400

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 10303, 20606, 41212, 82424, 164848, 319393, 329696, 638786, 659392, 1277572, 1318784, 2555144, 2637568, 5110288, 10220576, 20441152, 40882304, 81764608]

約数ペア:

[(1, 81764608), (2, 40882304), (4, 20441152), (8, 10220576), (16, 5110288), (31, 2637568), (32, 2555144), (62, 1318784), (64, 1277572), (124, 659392), (128, 638786), (248, 329696), (256, 319393), (496, 164848), (992, 82424), (1984, 41212), (3968, 20606), (7936, 10303)]