78329404

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{67759}}^1$

素因数の和:67797

約数の個数: 18

約数和(自身を含む): 145616240

約数和(自身を除く): 67286836

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 67759, 135518, 271036, 1151903, 2303806, 4607612, 19582351, 39164702, 78329404]

約数ペア:

[(1, 78329404), (2, 39164702), (4, 19582351), (17, 4607612), (34, 2303806), (68, 1151903), (289, 271036), (578, 135518), (1156, 67759)]