661286136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{3936227}}^1$

素因数の和:3936243

約数の個数: 32

約数和(自身を含む): 1889389440

約数和(自身を除く): 1228103304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 3936227, 7872454, 11808681, 15744908, 23617362, 27553589, 31489816, 47234724, 55107178, 82660767, 94469448, 110214356, 165321534, 220428712, 330643068, 661286136]

約数ペア:

[(1, 661286136), (2, 330643068), (3, 220428712), (4, 165321534), (6, 110214356), (7, 94469448), (8, 82660767), (12, 55107178), (14, 47234724), (21, 31489816), (24, 27553589), (28, 23617362), (42, 15744908), (56, 11808681), (84, 7872454), (168, 3936227)]