28452918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 65640960

約数和(自身を除く): 37188042

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 73, 78, 114, 146, 219, 247, 263, 438, 494, 526, 741, 789, 949, 1387, 1482, 1578, 1898, 2774, 2847, 3419, 4161, 4997, 5694, 6838, 8322, 9994, 10257, 14991, 18031, 19199, 20514, 29982, 36062, 38398, 54093, 57597, 64961, 108186, 115194, 129922, 194883, 249587, 364781, 389766, 499174, 729562, 748761, 1094343, 1497522, 2188686, 4742153, 9484306, 14226459, 28452918]

約数ペア:

[(1, 28452918), (2, 14226459), (3, 9484306), (6, 4742153), (13, 2188686), (19, 1497522), (26, 1094343), (38, 748761), (39, 729562), (57, 499174), (73, 389766), (78, 364781), (114, 249587), (146, 194883), (219, 129922), (247, 115194), (263, 108186), (438, 64961), (494, 57597), (526, 54093), (741, 38398), (789, 36062), (949, 29982), (1387, 20514), (1482, 19199), (1578, 18031), (1898, 14991), (2774, 10257), (2847, 9994), (3419, 8322), (4161, 6838), (4997, 5694)]