17842979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 24178176

約数和(自身を除く): 6335197

約数列:

[1, 7, 11, 17, 43, 77, 119, 187, 301, 317, 473, 731, 1309, 2219, 3311, 3487, 5117, 5389, 8041, 13631, 24409, 37723, 56287, 59279, 95417, 149941, 231727, 414953, 1049587, 1622089, 2548997, 17842979]

約数ペア:

[(1, 17842979), (7, 2548997), (11, 1622089), (17, 1049587), (43, 414953), (77, 231727), (119, 149941), (187, 95417), (301, 59279), (317, 56287), (473, 37723), (731, 24409), (1309, 13631), (2219, 8041), (3311, 5389), (3487, 5117)]