80972836

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{170111}}^1$

素因数の和:170139

約数の個数: 24

約数和(自身を含む): 171472896

約数和(自身を除く): 90500060

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 170111, 340222, 680444, 1190777, 2381554, 2891887, 4763108, 5783774, 11567548, 20243209, 40486418, 80972836]

約数ペア:

[(1, 80972836), (2, 40486418), (4, 20243209), (7, 11567548), (14, 5783774), (17, 4763108), (28, 2891887), (34, 2381554), (68, 1190777), (119, 680444), (238, 340222), (476, 170111)]