209899448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 447314400

約数和(自身を除く): 237414952

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 233, 319, 353, 466, 638, 706, 932, 1276, 1412, 1864, 2552, 2563, 2824, 3883, 5126, 6757, 7766, 10237, 10252, 13514, 15532, 20474, 20504, 27028, 31064, 40948, 54056, 74327, 81896, 82249, 112607, 148654, 164498, 225214, 297308, 328996, 450428, 594616, 657992, 900856, 904739, 1809478, 2385221, 3618956, 4770442, 7237912, 9540884, 19081768, 26237431, 52474862, 104949724, 209899448]

約数ペア:

[(1, 209899448), (2, 104949724), (4, 52474862), (8, 26237431), (11, 19081768), (22, 9540884), (29, 7237912), (44, 4770442), (58, 3618956), (88, 2385221), (116, 1809478), (232, 904739), (233, 900856), (319, 657992), (353, 594616), (466, 450428), (638, 328996), (706, 297308), (932, 225214), (1276, 164498), (1412, 148654), (1864, 112607), (2552, 82249), (2563, 81896), (2824, 74327), (3883, 54056), (5126, 40948), (6757, 31064), (7766, 27028), (10237, 20504), (10252, 20474), (13514, 15532)]