78880238

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{136471}}^1$

素因数の和:136507

約数の個数: 12

約数和(自身を含む): 125690712

約数和(自身を除く): 46810474

約数列:

[1, 2, 17, 34, 289, 578, 136471, 272942, 2320007, 4640014, 39440119, 78880238]

約数ペア:

[(1, 78880238), (2, 39440119), (17, 4640014), (34, 2320007), (289, 272942), (578, 136471)]