215140321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{50021}}^1$

素因数の和:50072

約数の個数: 16

約数和(自身を含む): 259314048

約数和(自身を除く): 44173727

約数列:

[1, 11, 17, 23, 187, 253, 391, 4301, 50021, 550231, 850357, 1150483, 9353927, 12655313, 19558211, 215140321]

約数ペア:

[(1, 215140321), (11, 19558211), (17, 12655313), (23, 9353927), (187, 1150483), (253, 850357), (391, 550231), (4301, 50021)]