219621556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{937}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 480316032

約数和(自身を除く): 260694476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 761, 937, 1522, 1874, 3044, 3748, 5327, 6559, 8371, 10307, 10654, 13118, 16742, 20614, 21308, 26236, 33484, 41228, 58597, 72149, 117194, 144298, 234388, 288596, 713057, 1426114, 2852228, 4991399, 7843627, 9982798, 15687254, 19965596, 31374508, 54905389, 109810778, 219621556]

約数ペア:

[(1, 219621556), (2, 109810778), (4, 54905389), (7, 31374508), (11, 19965596), (14, 15687254), (22, 9982798), (28, 7843627), (44, 4991399), (77, 2852228), (154, 1426114), (308, 713057), (761, 288596), (937, 234388), (1522, 144298), (1874, 117194), (3044, 72149), (3748, 58597), (5327, 41228), (6559, 33484), (8371, 26236), (10307, 21308), (10654, 20614), (13118, 16742)]