161492639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1153}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 215364096

約数和(自身を除く): 53871457

約数列:

[1, 7, 11, 17, 77, 107, 119, 187, 749, 1153, 1177, 1309, 1819, 8071, 8239, 12683, 12733, 19601, 20009, 88781, 123371, 137207, 140063, 215611, 863597, 1357081, 1509277, 2097307, 9499567, 14681149, 23070377, 161492639]

約数ペア:

[(1, 161492639), (7, 23070377), (11, 14681149), (17, 9499567), (77, 2097307), (107, 1509277), (119, 1357081), (187, 863597), (749, 215611), (1153, 140063), (1177, 137207), (1309, 123371), (1819, 88781), (8071, 20009), (8239, 19601), (12683, 12733)]