291421256

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{71287}}^1$

素因数の和:71373

約数の個数: 32

約数和(自身を含む): 633037440

約数和(自身を除く): 341616184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 71287, 142574, 285148, 499009, 570296, 998018, 1996036, 3992072, 5203951, 10407902, 20815804, 36427657, 41631608, 72855314, 145710628, 291421256]

約数ペア:

[(1, 291421256), (2, 145710628), (4, 72855314), (7, 41631608), (8, 36427657), (14, 20815804), (28, 10407902), (56, 5203951), (73, 3992072), (146, 1996036), (292, 998018), (511, 570296), (584, 499009), (1022, 285148), (2044, 142574), (4088, 71287)]