778530385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 1007769600

約数和(自身を除く): 229239215

約数列:

[1, 5, 17, 79, 85, 269, 395, 431, 1343, 1345, 2155, 4573, 6715, 7327, 21251, 22865, 34049, 36635, 106255, 115939, 170245, 361267, 578833, 579695, 1806335, 1970963, 2894165, 9159181, 9854815, 45795905, 155706077, 778530385]

約数ペア:

[(1, 778530385), (5, 155706077), (17, 45795905), (79, 9854815), (85, 9159181), (269, 2894165), (395, 1970963), (431, 1806335), (1343, 579695), (1345, 578833), (2155, 361267), (4573, 170245), (6715, 115939), (7327, 106255), (21251, 36635), (22865, 34049)]