254776168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{3889}}^1$

素因数の和:4345

約数の個数: 32

約数和(自身を含む): 504144000

約数和(自身を除く): 249367832

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 431, 862, 1724, 3448, 3889, 7778, 8189, 15556, 16378, 31112, 32756, 65512, 73891, 147782, 295564, 591128, 1676159, 3352318, 6704636, 13409272, 31847021, 63694042, 127388084, 254776168]

約数ペア:

[(1, 254776168), (2, 127388084), (4, 63694042), (8, 31847021), (19, 13409272), (38, 6704636), (76, 3352318), (152, 1676159), (431, 591128), (862, 295564), (1724, 147782), (3448, 73891), (3889, 65512), (7778, 32756), (8189, 31112), (15556, 16378)]