68443921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 90091008

約数和(自身を除く): 21647087

約数列:

[1, 7, 13, 17, 91, 119, 151, 221, 293, 1057, 1547, 1963, 2051, 2567, 3809, 4981, 13741, 17969, 26663, 33371, 34867, 44243, 64753, 233597, 309701, 453271, 575159, 752131, 4026113, 5264917, 9777703, 68443921]

約数ペア:

[(1, 68443921), (7, 9777703), (13, 5264917), (17, 4026113), (91, 752131), (119, 575159), (151, 453271), (221, 309701), (293, 233597), (1057, 64753), (1547, 44243), (1963, 34867), (2051, 33371), (2567, 26663), (3809, 17969), (4981, 13741)]