28669284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3923}}^1$

素因数の和:3969

約数の個数: 72

約数和(自身を含む): 85700160

約数和(自身を除く): 57030876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 3923, 7308, 7846, 11769, 15692, 23538, 27461, 35307, 47076, 54922, 70614, 82383, 109844, 113767, 141228, 164766, 227534, 247149, 329532, 341301, 455068, 494298, 682602, 796369, 988596, 1023903, 1365204, 1592738, 2047806, 2389107, 3185476, 4095612, 4778214, 7167321, 9556428, 14334642, 28669284]

約数ペア:

[(1, 28669284), (2, 14334642), (3, 9556428), (4, 7167321), (6, 4778214), (7, 4095612), (9, 3185476), (12, 2389107), (14, 2047806), (18, 1592738), (21, 1365204), (28, 1023903), (29, 988596), (36, 796369), (42, 682602), (58, 494298), (63, 455068), (84, 341301), (87, 329532), (116, 247149), (126, 227534), (174, 164766), (203, 141228), (252, 113767), (261, 109844), (348, 82383), (406, 70614), (522, 54922), (609, 47076), (812, 35307), (1044, 27461), (1218, 23538), (1827, 15692), (2436, 11769), (3654, 7846), (3923, 7308)]