388331386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{577}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 624240000

約数和(自身を除く): 235908614

約数列:

[1, 2, 19, 38, 89, 178, 199, 398, 577, 1154, 1691, 3382, 3781, 7562, 10963, 17711, 21926, 35422, 51353, 102706, 114823, 229646, 336509, 673018, 975707, 1951414, 2181637, 4363274, 10219247, 20438494, 194165693, 388331386]

約数ペア:

[(1, 388331386), (2, 194165693), (19, 20438494), (38, 10219247), (89, 4363274), (178, 2181637), (199, 1951414), (398, 975707), (577, 673018), (1154, 336509), (1691, 229646), (3382, 114823), (3781, 102706), (7562, 51353), (10963, 35422), (17711, 21926)]