667340015

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{3371}}^1$

素因数の和:3547

約数の個数: 24

約数和(自身を含む): 857148912

約数和(自身を除く): 189808897

約数列:

[1, 5, 17, 85, 137, 289, 685, 1445, 2329, 3371, 11645, 16855, 39593, 57307, 197965, 286535, 461827, 974219, 2309135, 4871095, 7851059, 39255295, 133468003, 667340015]

約数ペア:

[(1, 667340015), (5, 133468003), (17, 39255295), (85, 7851059), (137, 4871095), (289, 2309135), (685, 974219), (1445, 461827), (2329, 286535), (3371, 197965), (11645, 57307), (16855, 39593)]