1298884895

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7901}}^1$

素因数の和:7992

約数の個数: 48

約数和(自身を含む): 2010648096

約数和(自身を除く): 711763201

約数列:

[1, 5, 7, 11, 35, 49, 55, 61, 77, 245, 305, 385, 427, 539, 671, 2135, 2695, 2989, 3355, 4697, 7901, 14945, 23485, 32879, 39505, 55307, 86911, 164395, 276535, 387149, 434555, 481961, 608377, 1935745, 2409805, 3041885, 3373727, 4258639, 5301571, 16868635, 21293195, 23616089, 26507855, 37110997, 118080445, 185554985, 259776979, 1298884895]

約数ペア:

[(1, 1298884895), (5, 259776979), (7, 185554985), (11, 118080445), (35, 37110997), (49, 26507855), (55, 23616089), (61, 21293195), (77, 16868635), (245, 5301571), (305, 4258639), (385, 3373727), (427, 3041885), (539, 2409805), (671, 1935745), (2135, 608377), (2695, 481961), (2989, 434555), (3355, 387149), (4697, 276535), (7901, 164395), (14945, 86911), (23485, 55307), (32879, 39505)]