678889739

素因数分解:

${\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^2$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 807065280

約数和(自身を除く): 128175541

約数列:

[1, 11, 29, 31, 79, 121, 319, 341, 869, 899, 2291, 2449, 3509, 3751, 6241, 9559, 9889, 25201, 26939, 68651, 71021, 108779, 180989, 193471, 277211, 296329, 755161, 781231, 1990879, 2128181, 5610659, 8593541, 21899669, 23409991, 61717249, 678889739]

約数ペア:

[(1, 678889739), (11, 61717249), (29, 23409991), (31, 21899669), (79, 8593541), (121, 5610659), (319, 2128181), (341, 1990879), (869, 781231), (899, 755161), (2291, 296329), (2449, 277211), (3509, 193471), (3751, 180989), (6241, 108779), (9559, 71021), (9889, 68651), (25201, 26939)]