28640104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{839}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 57153600

約数和(自身を除く): 28513496

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 251, 502, 839, 1004, 1678, 2008, 3356, 4267, 6712, 8534, 14263, 17068, 28526, 34136, 57052, 114104, 210589, 421178, 842356, 1684712, 3580013, 7160026, 14320052, 28640104]

約数ペア:

[(1, 28640104), (2, 14320052), (4, 7160026), (8, 3580013), (17, 1684712), (34, 842356), (68, 421178), (136, 210589), (251, 114104), (502, 57052), (839, 34136), (1004, 28526), (1678, 17068), (2008, 14263), (3356, 8534), (4267, 6712)]