55278916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1777}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 121871232

約数和(自身を除く): 66592316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 154, 202, 308, 404, 707, 1111, 1414, 1777, 2222, 2828, 3554, 4444, 7108, 7777, 12439, 15554, 19547, 24878, 31108, 39094, 49756, 78188, 136829, 179477, 273658, 358954, 547316, 717908, 1256339, 1974247, 2512678, 3948494, 5025356, 7896988, 13819729, 27639458, 55278916]

約数ペア:

[(1, 55278916), (2, 27639458), (4, 13819729), (7, 7896988), (11, 5025356), (14, 3948494), (22, 2512678), (28, 1974247), (44, 1256339), (77, 717908), (101, 547316), (154, 358954), (202, 273658), (308, 179477), (404, 136829), (707, 78188), (1111, 49756), (1414, 39094), (1777, 31108), (2222, 24878), (2828, 19547), (3554, 15554), (4444, 12439), (7108, 7777)]