12865736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 16164664

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 383, 442, 494, 646, 766, 884, 988, 1292, 1532, 1768, 1976, 2584, 3064, 4199, 4979, 6511, 7277, 8398, 9958, 13022, 14554, 16796, 19916, 26044, 29108, 33592, 39832, 52088, 58216, 84643, 94601, 123709, 169286, 189202, 247418, 338572, 378404, 494836, 677144, 756808, 989672, 1608217, 3216434, 6432868, 12865736]

約数ペア:

[(1, 12865736), (2, 6432868), (4, 3216434), (8, 1608217), (13, 989672), (17, 756808), (19, 677144), (26, 494836), (34, 378404), (38, 338572), (52, 247418), (68, 189202), (76, 169286), (104, 123709), (136, 94601), (152, 84643), (221, 58216), (247, 52088), (323, 39832), (383, 33592), (442, 29108), (494, 26044), (646, 19916), (766, 16796), (884, 14554), (988, 13022), (1292, 9958), (1532, 8398), (1768, 7277), (1976, 6511), (2584, 4979), (3064, 4199)]