28493556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 82978560

約数和(自身を除く): 54485004

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 97, 156, 182, 194, 269, 273, 291, 364, 388, 538, 546, 582, 679, 807, 1076, 1092, 1164, 1261, 1358, 1614, 1883, 2037, 2522, 2716, 3228, 3497, 3766, 3783, 4074, 5044, 5649, 6994, 7532, 7566, 8148, 8827, 10491, 11298, 13988, 15132, 17654, 20982, 22596, 24479, 26093, 26481, 35308, 41964, 48958, 52186, 52962, 73437, 78279, 97916, 104372, 105924, 146874, 156558, 182651, 293748, 313116, 339209, 365302, 547953, 678418, 730604, 1017627, 1095906, 1356836, 2035254, 2191812, 2374463, 4070508, 4748926, 7123389, 9497852, 14246778, 28493556]

約数ペア:

[(1, 28493556), (2, 14246778), (3, 9497852), (4, 7123389), (6, 4748926), (7, 4070508), (12, 2374463), (13, 2191812), (14, 2035254), (21, 1356836), (26, 1095906), (28, 1017627), (39, 730604), (42, 678418), (52, 547953), (78, 365302), (84, 339209), (91, 313116), (97, 293748), (156, 182651), (182, 156558), (194, 146874), (269, 105924), (273, 104372), (291, 97916), (364, 78279), (388, 73437), (538, 52962), (546, 52186), (582, 48958), (679, 41964), (807, 35308), (1076, 26481), (1092, 26093), (1164, 24479), (1261, 22596), (1358, 20982), (1614, 17654), (1883, 15132), (2037, 13988), (2522, 11298), (2716, 10491), (3228, 8827), (3497, 8148), (3766, 7566), (3783, 7532), (4074, 6994), (5044, 5649)]