25118128

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1637}}^1$

素因数の和:1789

約数の個数: 40

約数和(自身を含む): 56058912

約数和(自身を除く): 30940784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1637, 1918, 2192, 3274, 3836, 6548, 7672, 11459, 13096, 15344, 22918, 26192, 45836, 91672, 183344, 224269, 448538, 897076, 1569883, 1794152, 3139766, 3588304, 6279532, 12559064, 25118128]

約数ペア:

[(1, 25118128), (2, 12559064), (4, 6279532), (7, 3588304), (8, 3139766), (14, 1794152), (16, 1569883), (28, 897076), (56, 448538), (112, 224269), (137, 183344), (274, 91672), (548, 45836), (959, 26192), (1096, 22918), (1637, 15344), (1918, 13096), (2192, 11459), (3274, 7672), (3836, 6548)]