98891639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 128234496

約数和(自身を除く): 29342857

約数列:

[1, 7, 11, 37, 77, 103, 259, 337, 407, 721, 1133, 2359, 2849, 3707, 3811, 7931, 12469, 25949, 26677, 34711, 41921, 87283, 137159, 242977, 293447, 381821, 960113, 1284307, 2672747, 8990149, 14127377, 98891639]

約数ペア:

[(1, 98891639), (7, 14127377), (11, 8990149), (37, 2672747), (77, 1284307), (103, 960113), (259, 381821), (337, 293447), (407, 242977), (721, 137159), (1133, 87283), (2359, 41921), (2849, 34711), (3707, 26677), (3811, 25949), (7931, 12469)]