1287654719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{797}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 1515816960

約数和(自身を除く): 228162241

約数列:

[1, 13, 19, 31, 211, 247, 403, 589, 797, 2743, 4009, 6541, 7657, 10361, 15143, 24707, 52117, 85033, 124279, 168167, 196859, 321191, 469433, 1615627, 2186171, 3195173, 5213177, 6102629, 41537249, 67771301, 99050363, 1287654719]

約数ペア:

[(1, 1287654719), (13, 99050363), (19, 67771301), (31, 41537249), (211, 6102629), (247, 5213177), (403, 3195173), (589, 2186171), (797, 1615627), (2743, 469433), (4009, 321191), (6541, 196859), (7657, 168167), (10361, 124279), (15143, 85033), (24707, 52117)]