259247834065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1\times {\mathrm{1997}}^1$

素因数の和:2650

約数の個数: 64

約数和(自身を含む): 353885760000

約数和(自身を除く): 94637925935

約数列:

[1, 5, 11, 29, 55, 145, 199, 319, 409, 995, 1595, 1997, 2045, 2189, 4499, 5771, 9985, 10945, 11861, 21967, 22495, 28855, 57913, 59305, 63481, 81391, 109835, 130471, 289565, 317405, 397403, 406955, 637043, 652355, 816773, 895301, 1987015, 2360339, 3185215, 4083865, 4371433, 4476505, 8984503, 11524687, 11801695, 21857165, 23686417, 25963729, 44922515, 57623435, 118432085, 126771557, 129818645, 162537827, 260550587, 633857785, 812689135, 1302752935, 1787916097, 4713596983, 8939580485, 23567984915, 51849566813, 259247834065]

約数ペア:

[(1, 259247834065), (5, 51849566813), (11, 23567984915), (29, 8939580485), (55, 4713596983), (145, 1787916097), (199, 1302752935), (319, 812689135), (409, 633857785), (995, 260550587), (1595, 162537827), (1997, 129818645), (2045, 126771557), (2189, 118432085), (4499, 57623435), (5771, 44922515), (9985, 25963729), (10945, 23686417), (11861, 21857165), (21967, 11801695), (22495, 11524687), (28855, 8984503), (57913, 4476505), (59305, 4371433), (63481, 4083865), (81391, 3185215), (109835, 2360339), (130471, 1987015), (289565, 895301), (317405, 816773), (397403, 652355), (406955, 637043)]