213406355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 279189504

約数和(自身を除く): 65783149

約数列:

[1, 5, 17, 53, 85, 127, 265, 373, 635, 901, 1865, 2159, 4505, 6341, 6731, 10795, 19769, 31705, 33655, 47371, 98845, 114427, 236855, 336073, 572135, 805307, 1680365, 2510663, 4026535, 12553315, 42681271, 213406355]

約数ペア:

[(1, 213406355), (5, 42681271), (17, 12553315), (53, 4026535), (85, 2510663), (127, 1680365), (265, 805307), (373, 572135), (635, 336073), (901, 236855), (1865, 114427), (2159, 98845), (4505, 47371), (6341, 33655), (6731, 31705), (10795, 19769)]