25214514

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 57335040

約数和(自身を除く): 32120526

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 71, 78, 87, 142, 157, 174, 213, 314, 377, 426, 471, 754, 923, 942, 1131, 1846, 2041, 2059, 2262, 2769, 4082, 4118, 4553, 5538, 6123, 6177, 9106, 11147, 12246, 12354, 13659, 22294, 26767, 27318, 33441, 53534, 59189, 66882, 80301, 118378, 144911, 160602, 177567, 289822, 323263, 355134, 434733, 646526, 869466, 969789, 1939578, 4202419, 8404838, 12607257, 25214514]

約数ペア:

[(1, 25214514), (2, 12607257), (3, 8404838), (6, 4202419), (13, 1939578), (26, 969789), (29, 869466), (39, 646526), (58, 434733), (71, 355134), (78, 323263), (87, 289822), (142, 177567), (157, 160602), (174, 144911), (213, 118378), (314, 80301), (377, 66882), (426, 59189), (471, 53534), (754, 33441), (923, 27318), (942, 26767), (1131, 22294), (1846, 13659), (2041, 12354), (2059, 12246), (2262, 11147), (2769, 9106), (4082, 6177), (4118, 6123), (4553, 5538)]