397702964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{19961}}^1$

素因数の和:20275

約数の個数: 24

約数和(自身を含む): 739472328

約数和(自身を除く): 341769364

約数列:

[1, 2, 4, 17, 34, 68, 293, 586, 1172, 4981, 9962, 19924, 19961, 39922, 79844, 339337, 678674, 1357348, 5848573, 11697146, 23394292, 99425741, 198851482, 397702964]

約数ペア:

[(1, 397702964), (2, 198851482), (4, 99425741), (17, 23394292), (34, 11697146), (68, 5848573), (293, 1357348), (586, 678674), (1172, 339337), (4981, 79844), (9962, 39922), (19924, 19961)]