219964048

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{225373}}^1$

素因数の和:225442

約数の個数: 20

約数和(自身を含む): 433168828

約数和(自身を除く): 213204780

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 225373, 450746, 901492, 1802984, 3605968, 13747753, 27495506, 54991012, 109982024, 219964048]

約数ペア:

[(1, 219964048), (2, 109982024), (4, 54991012), (8, 27495506), (16, 13747753), (61, 3605968), (122, 1802984), (244, 901492), (488, 450746), (976, 225373)]