9991424

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1306

約数の個数: 36

約数和(自身を含む): 20603520

約数和(自身を除く): 10612096

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1259, 1984, 2518, 3968, 5036, 7936, 10072, 20144, 39029, 40288, 78058, 80576, 156116, 161152, 312232, 322304, 624464, 1248928, 2497856, 4995712, 9991424]

約数ペア:

[(1, 9991424), (2, 4995712), (4, 2497856), (8, 1248928), (16, 624464), (31, 322304), (32, 312232), (62, 161152), (64, 156116), (124, 80576), (128, 78058), (248, 40288), (256, 39029), (496, 20144), (992, 10072), (1259, 7936), (1984, 5036), (2518, 3968)]