26988775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 13508633

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 115, 187, 251, 253, 275, 391, 425, 575, 935, 1255, 1265, 1955, 2761, 4267, 4301, 4675, 5773, 6275, 6325, 9775, 13805, 21335, 21505, 28865, 46937, 63503, 69025, 98141, 106675, 107525, 144325, 234685, 317515, 490705, 1079551, 1173425, 1587575, 2453525, 5397755, 26988775]

約数ペア:

[(1, 26988775), (5, 5397755), (11, 2453525), (17, 1587575), (23, 1173425), (25, 1079551), (55, 490705), (85, 317515), (115, 234685), (187, 144325), (251, 107525), (253, 106675), (275, 98141), (391, 69025), (425, 63503), (575, 46937), (935, 28865), (1255, 21505), (1265, 21335), (1955, 13805), (2761, 9775), (4267, 6325), (4301, 6275), (4675, 5773)]