213748136

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{12433}}^1$

素因数の和:12753

約数の個数: 32

約数和(自身を含む): 459560640

約数和(自身を除く): 245812504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1228, 2149, 2456, 4298, 8596, 12433, 17192, 24866, 49732, 87031, 99464, 174062, 348124, 696248, 3816931, 7633862, 15267724, 26718517, 30535448, 53437034, 106874068, 213748136]

約数ペア:

[(1, 213748136), (2, 106874068), (4, 53437034), (7, 30535448), (8, 26718517), (14, 15267724), (28, 7633862), (56, 3816931), (307, 696248), (614, 348124), (1228, 174062), (2149, 99464), (2456, 87031), (4298, 49732), (8596, 24866), (12433, 17192)]