389928068

素因数分解:

$2^2\times {\mathrm{307}}^1\times {\mathrm{311}}^1\times {\mathrm{1021}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 687470784

約数和(自身を除く): 297542716

約数列:

[1, 2, 4, 307, 311, 614, 622, 1021, 1228, 1244, 2042, 4084, 95477, 190954, 313447, 317531, 381908, 626894, 635062, 1253788, 1270124, 97482017, 194964034, 389928068]

約数ペア:

[(1, 389928068), (2, 194964034), (4, 97482017), (307, 1270124), (311, 1253788), (614, 635062), (622, 626894), (1021, 381908), (1228, 317531), (1244, 313447), (2042, 190954), (4084, 95477)]