201951988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2731}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 428377600

約数和(自身を除く): 226425612

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 139, 266, 278, 532, 556, 973, 1946, 2641, 2731, 3892, 5282, 5462, 10564, 10924, 18487, 19117, 36974, 38234, 51889, 73948, 76468, 103778, 207556, 363223, 379609, 726446, 759218, 1452892, 1518436, 2657263, 5314526, 7212571, 10629052, 14425142, 28850284, 50487997, 100975994, 201951988]

約数ペア:

[(1, 201951988), (2, 100975994), (4, 50487997), (7, 28850284), (14, 14425142), (19, 10629052), (28, 7212571), (38, 5314526), (76, 2657263), (133, 1518436), (139, 1452892), (266, 759218), (278, 726446), (532, 379609), (556, 363223), (973, 207556), (1946, 103778), (2641, 76468), (2731, 73948), (3892, 51889), (5282, 38234), (5462, 36974), (10564, 19117), (10924, 18487)]