68072641

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 89994240

約数和(自身を除く): 21921599

約数列:

[1, 7, 13, 17, 79, 91, 119, 221, 553, 557, 1027, 1343, 1547, 3899, 7189, 7241, 9401, 9469, 17459, 44003, 50687, 66283, 122213, 123097, 308021, 572039, 748051, 861679, 4004273, 5236357, 9724663, 68072641]

約数ペア:

[(1, 68072641), (7, 9724663), (13, 5236357), (17, 4004273), (79, 861679), (91, 748051), (119, 572039), (221, 308021), (553, 123097), (557, 122213), (1027, 66283), (1343, 50687), (1547, 44003), (3899, 17459), (7189, 9469), (7241, 9401)]