221384576

素因数分解:

$2^7\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1171}}^1$

素因数の和:1403

約数の個数: 64

約数和(自身を含む): 506866560

約数和(自身を除く): 285481984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 211, 224, 422, 448, 844, 896, 1171, 1477, 1688, 2342, 2954, 3376, 4684, 5908, 6752, 8197, 9368, 11816, 13504, 16394, 18736, 23632, 27008, 32788, 37472, 47264, 65576, 74944, 94528, 131152, 149888, 189056, 247081, 262304, 494162, 524608, 988324, 1049216, 1729567, 1976648, 3459134, 3953296, 6918268, 7906592, 13836536, 15813184, 27673072, 31626368, 55346144, 110692288, 221384576]

約数ペア:

[(1, 221384576), (2, 110692288), (4, 55346144), (7, 31626368), (8, 27673072), (14, 15813184), (16, 13836536), (28, 7906592), (32, 6918268), (56, 3953296), (64, 3459134), (112, 1976648), (128, 1729567), (211, 1049216), (224, 988324), (422, 524608), (448, 494162), (844, 262304), (896, 247081), (1171, 189056), (1477, 149888), (1688, 131152), (2342, 94528), (2954, 74944), (3376, 65576), (4684, 47264), (5908, 37472), (6752, 32788), (8197, 27008), (9368, 23632), (11816, 18736), (13504, 16394)]