291280906

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{7993}}^1$

素因数の和:8158

約数の個数: 32

約数和(自身を含む): 529522560

約数和(自身を除く): 238241654

約数列:

[1, 2, 7, 14, 19, 38, 133, 137, 266, 274, 959, 1918, 2603, 5206, 7993, 15986, 18221, 36442, 55951, 111902, 151867, 303734, 1063069, 1095041, 2126138, 2190082, 7665287, 15330574, 20805779, 41611558, 145640453, 291280906]

約数ペア:

[(1, 291280906), (2, 145640453), (7, 41611558), (14, 20805779), (19, 15330574), (38, 7665287), (133, 2190082), (137, 2126138), (266, 1095041), (274, 1063069), (959, 303734), (1918, 151867), (2603, 111902), (5206, 55951), (7993, 36442), (15986, 18221)]