1391567684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{245513}}^1$

素因数の和:245639

約数の個数: 24

約数和(自身を含む): 2646640920

約数和(自身を除く): 1255073236

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 245513, 491026, 982052, 3191669, 6383338, 12766676, 26760917, 53521834, 107043668, 347891921, 695783842, 1391567684]

約数ペア:

[(1, 1391567684), (2, 695783842), (4, 347891921), (13, 107043668), (26, 53521834), (52, 26760917), (109, 12766676), (218, 6383338), (436, 3191669), (1417, 982052), (2834, 491026), (5668, 245513)]