28751947

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 7826357

約数列:

[1, 7, 17, 41, 71, 83, 119, 287, 497, 581, 697, 1207, 1411, 2911, 3403, 4879, 5893, 8449, 9877, 20377, 23821, 41251, 49487, 57851, 100181, 241613, 346409, 404957, 701267, 1691291, 4107421, 28751947]

約数ペア:

[(1, 28751947), (7, 4107421), (17, 1691291), (41, 701267), (71, 404957), (83, 346409), (119, 241613), (287, 100181), (497, 57851), (581, 49487), (697, 41251), (1207, 23821), (1411, 20377), (2911, 9877), (3403, 8449), (4879, 5893)]