247966355

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2011}}^1$

素因数の和:2307

約数の個数: 32

約数和(自身を含む): 367761408

約数和(自身を除く): 119795053

約数列:

[1, 5, 7, 13, 35, 65, 91, 271, 455, 1355, 1897, 2011, 3523, 9485, 10055, 14077, 17615, 24661, 26143, 70385, 123305, 130715, 183001, 544981, 915005, 2724905, 3814867, 7084753, 19074335, 35423765, 49593271, 247966355]

約数ペア:

[(1, 247966355), (5, 49593271), (7, 35423765), (13, 19074335), (35, 7084753), (65, 3814867), (91, 2724905), (271, 915005), (455, 544981), (1355, 183001), (1897, 130715), (2011, 123305), (3523, 70385), (9485, 26143), (10055, 24661), (14077, 17615)]