11978285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 17356032

約数和(自身を除く): 5377747

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 557, 935, 1265, 1955, 2785, 4301, 6127, 9469, 12811, 21505, 30635, 47345, 64055, 104159, 140921, 217787, 520795, 704605, 1088935, 2395657, 11978285]

約数ペア:

[(1, 11978285), (5, 2395657), (11, 1088935), (17, 704605), (23, 520795), (55, 217787), (85, 140921), (115, 104159), (187, 64055), (253, 47345), (391, 30635), (557, 21505), (935, 12811), (1265, 9469), (1955, 6127), (2785, 4301)]