257432824

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{13997}}^1$

素因数の和:14044

約数の個数: 48

約数和(自身を含む): 558520200

約数和(自身を除く): 301087376

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 1672, 2299, 4598, 9196, 13997, 18392, 27994, 55988, 111976, 153967, 265943, 307934, 531886, 615868, 1063772, 1231736, 1693637, 2127544, 2925373, 3387274, 5850746, 6774548, 11701492, 13549096, 23402984, 32179103, 64358206, 128716412, 257432824]

約数ペア:

[(1, 257432824), (2, 128716412), (4, 64358206), (8, 32179103), (11, 23402984), (19, 13549096), (22, 11701492), (38, 6774548), (44, 5850746), (76, 3387274), (88, 2925373), (121, 2127544), (152, 1693637), (209, 1231736), (242, 1063772), (418, 615868), (484, 531886), (836, 307934), (968, 265943), (1672, 153967), (2299, 111976), (4598, 55988), (9196, 27994), (13997, 18392)]