90803419

素因数分解:

$7^4\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:728

約数の個数: 20

約数和(自身を含む): 107894520

約数和(自身を除く): 17091101

約数列:

[1, 7, 49, 59, 343, 413, 641, 2401, 2891, 4487, 20237, 31409, 37819, 141659, 219863, 264733, 1539041, 1853131, 12971917, 90803419]

約数ペア:

[(1, 90803419), (7, 12971917), (49, 1853131), (59, 1539041), (343, 264733), (413, 219863), (641, 141659), (2401, 37819), (2891, 31409), (4487, 20237)]