208241957

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3847}}^1$

素因数の和:3921

約数の個数: 32

約数和(自身を含む): 280750080

約数和(自身を除く): 72508123

約数列:

[1, 7, 11, 19, 37, 77, 133, 209, 259, 407, 703, 1463, 2849, 3847, 4921, 7733, 26929, 42317, 54131, 73093, 142339, 296219, 511651, 804023, 996373, 1565729, 2704441, 5628161, 10960103, 18931087, 29748851, 208241957]

約数ペア:

[(1, 208241957), (7, 29748851), (11, 18931087), (19, 10960103), (37, 5628161), (77, 2704441), (133, 1565729), (209, 996373), (259, 804023), (407, 511651), (703, 296219), (1463, 142339), (2849, 73093), (3847, 54131), (4921, 42317), (7733, 26929)]