78618956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 152292000

約数和(自身を除く): 73673044

約数列:

[1, 2, 4, 13, 26, 52, 73, 139, 146, 149, 278, 292, 298, 556, 596, 949, 1807, 1898, 1937, 3614, 3796, 3874, 7228, 7748, 10147, 10877, 20294, 20711, 21754, 40588, 41422, 43508, 82844, 131911, 141401, 263822, 269243, 282802, 527644, 538486, 565604, 1076972, 1511903, 3023806, 6047612, 19654739, 39309478, 78618956]

約数ペア:

[(1, 78618956), (2, 39309478), (4, 19654739), (13, 6047612), (26, 3023806), (52, 1511903), (73, 1076972), (139, 565604), (146, 538486), (149, 527644), (278, 282802), (292, 269243), (298, 263822), (556, 141401), (596, 131911), (949, 82844), (1807, 43508), (1898, 41422), (1937, 40588), (3614, 21754), (3796, 20711), (3874, 20294), (7228, 10877), (7748, 10147)]