279565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:69

約数の個数: 32

約数和(自身を含む): 435456

約数和(自身を除く): 155891

約数列:

[1, 5, 11, 13, 17, 23, 55, 65, 85, 115, 143, 187, 221, 253, 299, 391, 715, 935, 1105, 1265, 1495, 1955, 2431, 3289, 4301, 5083, 12155, 16445, 21505, 25415, 55913, 279565]

約数ペア:

[(1, 279565), (5, 55913), (11, 25415), (13, 21505), (17, 16445), (23, 12155), (55, 5083), (65, 4301), (85, 3289), (115, 2431), (143, 1955), (187, 1495), (221, 1265), (253, 1105), (299, 935), (391, 715)]