128528504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{2003}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 260079120

約数和(自身を除く): 131550616

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 617, 1234, 2003, 2468, 4006, 4936, 8012, 8021, 16024, 16042, 26039, 32084, 52078, 64168, 104156, 208312, 1235851, 2471702, 4943404, 9886808, 16066063, 32132126, 64264252, 128528504]

約数ペア:

[(1, 128528504), (2, 64264252), (4, 32132126), (8, 16066063), (13, 9886808), (26, 4943404), (52, 2471702), (104, 1235851), (617, 208312), (1234, 104156), (2003, 64168), (2468, 52078), (4006, 32084), (4936, 26039), (8012, 16042), (8021, 16024)]