31720912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 65620800

約数和(自身を除く): 33899888

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 556, 839, 1112, 1678, 2224, 2363, 3356, 4726, 6712, 9452, 13424, 14263, 18904, 28526, 37808, 57052, 114104, 116621, 228208, 233242, 466484, 932968, 1865936, 1982557, 3965114, 7930228, 15860456, 31720912]

約数ペア:

[(1, 31720912), (2, 15860456), (4, 7930228), (8, 3965114), (16, 1982557), (17, 1865936), (34, 932968), (68, 466484), (136, 233242), (139, 228208), (272, 116621), (278, 114104), (556, 57052), (839, 37808), (1112, 28526), (1678, 18904), (2224, 14263), (2363, 13424), (3356, 9452), (4726, 6712)]