28371742

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 55240704

約数和(自身を除く): 26868962

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 71, 73, 119, 142, 146, 161, 238, 322, 391, 497, 511, 782, 994, 1022, 1207, 1241, 1633, 1679, 2414, 2482, 2737, 3266, 3358, 5183, 5474, 8449, 8687, 10366, 11431, 11753, 16898, 17374, 22862, 23506, 27761, 28543, 36281, 55522, 57086, 72562, 88111, 119209, 176222, 194327, 199801, 238418, 388654, 399602, 616777, 834463, 1233554, 1668926, 2026553, 4053106, 14185871, 28371742]

約数ペア:

[(1, 28371742), (2, 14185871), (7, 4053106), (14, 2026553), (17, 1668926), (23, 1233554), (34, 834463), (46, 616777), (71, 399602), (73, 388654), (119, 238418), (142, 199801), (146, 194327), (161, 176222), (238, 119209), (322, 88111), (391, 72562), (497, 57086), (511, 55522), (782, 36281), (994, 28543), (1022, 27761), (1207, 23506), (1241, 22862), (1633, 17374), (1679, 16898), (2414, 11753), (2482, 11431), (2737, 10366), (3266, 8687), (3358, 8449), (5183, 5474)]