678394078

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{40637}}^1$

素因数の和:41147

約数の個数: 16

約数和(自身を含む): 1079670384

約数和(自身を除く): 401276306

約数列:

[1, 2, 17, 34, 491, 982, 8347, 16694, 40637, 81274, 690829, 1381658, 19952767, 39905534, 339197039, 678394078]

約数ペア:

[(1, 678394078), (2, 339197039), (17, 39905534), (34, 19952767), (491, 1381658), (982, 690829), (8347, 81274), (16694, 40637)]