253992013

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 304330752

約数和(自身を除く): 50338739

約数列:

[1, 11, 23, 37, 43, 253, 407, 473, 631, 851, 989, 1591, 6941, 9361, 10879, 14513, 17501, 23347, 27133, 36593, 159643, 256817, 298463, 402523, 536981, 624059, 1003921, 5906791, 6864649, 11043131, 23090183, 253992013]

約数ペア:

[(1, 253992013), (11, 23090183), (23, 11043131), (37, 6864649), (43, 5906791), (253, 1003921), (407, 624059), (473, 536981), (631, 402523), (851, 298463), (989, 256817), (1591, 159643), (6941, 36593), (9361, 27133), (10879, 23347), (14513, 17501)]