25001207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 9282313

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 743, 1463, 1771, 3059, 4807, 5201, 8173, 14117, 17089, 33649, 57211, 98819, 119623, 155287, 187979, 324691, 1087009, 1315853, 2272837, 3571601, 25001207]

約数ペア:

[(1, 25001207), (7, 3571601), (11, 2272837), (19, 1315853), (23, 1087009), (77, 324691), (133, 187979), (161, 155287), (209, 119623), (253, 98819), (437, 57211), (743, 33649), (1463, 17089), (1771, 14117), (3059, 8173), (4807, 5201)]