209132278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 339978240

約数和(自身を除く): 130845962

約数列:

[1, 2, 19, 38, 61, 83, 122, 166, 1087, 1159, 1577, 2174, 2318, 3154, 5063, 10126, 20653, 41306, 66307, 90221, 96197, 132614, 180442, 192394, 1259833, 1714199, 2519666, 3428398, 5503481, 11006962, 104566139, 209132278]

約数ペア:

[(1, 209132278), (2, 104566139), (19, 11006962), (38, 5503481), (61, 3428398), (83, 2519666), (122, 1714199), (166, 1259833), (1087, 192394), (1159, 180442), (1577, 132614), (2174, 96197), (2318, 90221), (3154, 66307), (5063, 41306), (10126, 20653)]