121621108

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{31249}}^1$

素因数の和:31399

約数の個数: 24

約数和(自身を含む): 245000000

約数和(自身を除く): 123378892

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 31249, 62498, 124996, 218743, 437486, 874972, 4343611, 8687222, 17374444, 30405277, 60810554, 121621108]

約数ペア:

[(1, 121621108), (2, 60810554), (4, 30405277), (7, 17374444), (14, 8687222), (28, 4343611), (139, 874972), (278, 437486), (556, 218743), (973, 124996), (1946, 62498), (3892, 31249)]