289909893

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 496742400

約数和(自身を除く): 206832507

約数列:

[1, 3, 7, 13, 21, 39, 41, 59, 91, 123, 177, 273, 287, 413, 439, 533, 767, 861, 1239, 1317, 1599, 2301, 2419, 3073, 3731, 5369, 5707, 7257, 9219, 11193, 16107, 16933, 17121, 17999, 25901, 31447, 39949, 50799, 53997, 77703, 94341, 119847, 125993, 181307, 220129, 233987, 336713, 377979, 543921, 660387, 701961, 1010139, 1061941, 1637909, 2356991, 3185823, 4913727, 7070973, 7433587, 13805233, 22300761, 41415699, 96636631, 289909893]

約数ペア:

[(1, 289909893), (3, 96636631), (7, 41415699), (13, 22300761), (21, 13805233), (39, 7433587), (41, 7070973), (59, 4913727), (91, 3185823), (123, 2356991), (177, 1637909), (273, 1061941), (287, 1010139), (413, 701961), (439, 660387), (533, 543921), (767, 377979), (861, 336713), (1239, 233987), (1317, 220129), (1599, 181307), (2301, 125993), (2419, 119847), (3073, 94341), (3731, 77703), (5369, 53997), (5707, 50799), (7257, 39949), (9219, 31447), (11193, 25901), (16107, 17999), (16933, 17121)]