291225385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{941}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 405316224

約数和(自身を除く): 114090839

約数列:

[1, 5, 11, 17, 55, 85, 187, 331, 935, 941, 1655, 3641, 4705, 5627, 10351, 15997, 18205, 28135, 51755, 61897, 79985, 175967, 309485, 311471, 879835, 1557355, 3426181, 5295007, 17130905, 26475035, 58245077, 291225385]

約数ペア:

[(1, 291225385), (5, 58245077), (11, 26475035), (17, 17130905), (55, 5295007), (85, 3426181), (187, 1557355), (331, 879835), (935, 311471), (941, 309485), (1655, 175967), (3641, 79985), (4705, 61897), (5627, 51755), (10351, 28135), (15997, 18205)]