127989719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 169169280

約数和(自身を除く): 41179561

約数列:

[1, 11, 13, 17, 19, 143, 163, 187, 209, 221, 247, 289, 323, 1793, 2119, 2431, 2717, 2771, 3097, 3179, 3553, 3757, 4199, 5491, 23309, 30481, 34067, 36023, 40261, 41327, 46189, 47107, 52649, 60401, 71383, 396253, 442871, 518177, 579139, 612391, 684437, 785213, 895033, 6736301, 7528807, 9845363, 11635429, 127989719]

約数ペア:

[(1, 127989719), (11, 11635429), (13, 9845363), (17, 7528807), (19, 6736301), (143, 895033), (163, 785213), (187, 684437), (209, 612391), (221, 579139), (247, 518177), (289, 442871), (323, 396253), (1793, 71383), (2119, 60401), (2431, 52649), (2717, 47107), (2771, 46189), (3097, 41327), (3179, 40261), (3553, 36023), (3757, 34067), (4199, 30481), (5491, 23309)]