221485998

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 476969472

約数和(自身を除く): 255483474

約数列:

[1, 2, 3, 6, 23, 46, 61, 69, 83, 122, 138, 166, 183, 249, 317, 366, 498, 634, 951, 1403, 1902, 1909, 2806, 3818, 4209, 5063, 5727, 7291, 8418, 10126, 11454, 14582, 15189, 19337, 21873, 26311, 30378, 38674, 43746, 52622, 58011, 78933, 116022, 116449, 157866, 232898, 349347, 444751, 605153, 698694, 889502, 1210306, 1334253, 1604971, 1815459, 2668506, 3209942, 3630918, 4814913, 9629826, 36914333, 73828666, 110742999, 221485998]

約数ペア:

[(1, 221485998), (2, 110742999), (3, 73828666), (6, 36914333), (23, 9629826), (46, 4814913), (61, 3630918), (69, 3209942), (83, 2668506), (122, 1815459), (138, 1604971), (166, 1334253), (183, 1210306), (249, 889502), (317, 698694), (366, 605153), (498, 444751), (634, 349347), (951, 232898), (1403, 157866), (1902, 116449), (1909, 116022), (2806, 78933), (3818, 58011), (4209, 52622), (5063, 43746), (5727, 38674), (7291, 30378), (8418, 26311), (10126, 21873), (11454, 19337), (14582, 15189)]